Rashfree may be available in the countries listed below.
Benzalkonium chloride (a derivative of Benzalkonium) is reported as an ingredient of Rashfree in the following countries:
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See also: Generic Ambien
Ambien CR is a brand name of zolpidem, approved by the FDA in the following formulation(s):
A generic version of Ambien CR has been approved by the FDA. However, this does not mean that the product will necessarily be commercially available - possibly because of drug patents and/or drug exclusivity. The following products are equivalent to Ambien CR and have been approved by the FDA:
Note: Fraudulent online pharmacies may attempt to sell an illegal generic version of Ambien CR. These medications may be counterfeit and potentially unsafe. If you purchase medications online, be sure you are buying from a reputable and valid online pharmacy. Ask your health care provider for advice if you are unsure about the online purchase of any medication.
See also: About generic drugs.
Patents are granted by the U.S. Patent and Trademark Office at any time during a drug's development and may include a wide range of claims.
GastroMARK is a brand name of ferumoxsil, approved by the FDA in the following formulation(s):
No. There is currently no therapeutically equivalent version of GastroMARK available.
Note: Fraudulent online pharmacies may attempt to sell an illegal generic version of GastroMARK. These medications may be counterfeit and potentially unsafe. If you purchase medications online, be sure you are buying from a reputable and valid online pharmacy. Ask your health care provider for advice if you are unsure about the online purchase of any medication.
See also: About generic drugs.
There are no current U.S. patents associated with GastroMARK.
Silimarina Genfar may be available in the countries listed below.
Silibinin is reported as an ingredient of Silimarina Genfar in the following countries:
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In the US, Dovobet (betamethasone topical) is a member of the drug class topical antipsoriatics and is used to treat Psoriasis.
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Ramadine may be available in the countries listed below.
Ranitidine hydrochloride (a derivative of Ranitidine) is reported as an ingredient of Ramadine in the following countries:
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Efézial may be available in the countries listed below.
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Domperidon McNeil may be available in the countries listed below.
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Preventing or treating symptoms of hay fever and other upper respiratory allergies or the common cold, such as runny nose, sneezing, itching of the nose and throat, and itchy, watery eyes, and relieving cough. It may also be used for other conditions as determined by your doctor.
Diphenhydramine Elixir is an antihistamine and anticholinergic. It works by blocking the action of histamine, reducing the symptoms of an allergic reaction. It also works in the brain to cause sedation.
Contact your doctor or health care provider right away if any of these apply to you.
Some medical conditions may interact with Diphenhydramine Elixir. Tell your doctor or pharmacist if you have any medical conditions, especially if any of the following apply to you:
Some MEDICINES MAY INTERACT with Diphenhydramine Elixir. Tell your health care provider if you are taking any other medicines, especially any of the following:
This may not be a complete list of all interactions that may occur. Ask your health care provider if Diphenhydramine Elixir may interact with other medicines that you take. Check with your health care provider before you start, stop, or change the dose of any medicine.
Use Diphenhydramine Elixir as directed by your doctor. Check the label on the medicine for exact dosing instructions.
Ask your health care provider any questions you may have about how to use Diphenhydramine Elixir.
All medicines may cause side effects, but many people have no, or minor, side effects. Check with your doctor if any of these most COMMON side effects persist or become bothersome:
Dizziness; drowsiness; dry mouth, throat, and nose; excitability; thickening of mucus in nose or throat.
Severe allergic reactions (rash; hives; itching; difficulty breathing; tightness in the chest; swelling of the mouth, face, lips, or tongue); convulsions; fast heartbeat or pounding in the chest; decreased alertness; hallucinations; tremor; wheezing.
This is not a complete list of all side effects that may occur. If you have questions about side effects, contact your health care provider. Call your doctor for medical advice about side effects. To report side effects to the appropriate agency, please read the Guide to Reporting Problems to FDA.
Contact 1-800-222-1222 (the American Association of Poison Control Centers), your local poison control center, or emergency room immediately. Symptoms may include coma; excitement; hallucinations; loss of consciousness; muscle twitching; seizures; tremor; weakness.
Store Diphenhydramine Elixir at room temperature, between 59 and 86 degrees F (15 and 30 degrees C). Store away from heat, moisture, and light. Do not store in the bathroom. Keep Diphenhydramine Elixir out of the reach of children and away from pets.
This information is a summary only. It does not contain all information about Diphenhydramine Elixir. If you have questions about the medicine you are taking or would like more information, check with your doctor, pharmacist, or other health care provider.
Beclone may be available in the countries listed below.
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Natroba is a brand name of spinosad topical, approved by the FDA in the following formulation(s):
No. There is currently no therapeutically equivalent version of Natroba available.
Note: Fraudulent online pharmacies may attempt to sell an illegal generic version of Natroba. These medications may be counterfeit and potentially unsafe. If you purchase medications online, be sure you are buying from a reputable and valid online pharmacy. Ask your health care provider for advice if you are unsure about the online purchase of any medication.
See also: About generic drugs.
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Exclusivity is exclusive marketing rights granted by the FDA upon approval of a drug and can run concurrently with a patent or not. Exclusivity is a statutory provision and is granted to an NDA applicant if statutory requirements are met.
Lumisteron may be available in the countries listed below.
Hyaluronic Acid sodium salt (a derivative of Hyaluronic Acid) is reported as an ingredient of Lumisteron in the following countries:
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Keral may be available in the countries listed below.
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Dexketoprofen tromethamine (a derivative of Dexketoprofen) is reported as an ingredient of Keral in the following countries:
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Procaptin may be available in the countries listed below.
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Lomeflon Minims may be available in the countries listed below.
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Rhinocort Aqua Nasal Spray is indicated for the treatment of nasal symptoms of seasonal or perennial allergic rhinitis in adults and children six years of age and older.
The recommended starting dosage for adults and children 6 years of age and older is 64 mcg per day administered as one spray per nostril of Rhinocort Aqua Nasal Spray 32 mcg once daily. Some patients who do not achieve symptom control at the recommended starting dosage may benefit from an increased dosage. The maximum recommended dosage for adults (12 years of age and older) is 256 mcg per day administered as four sprays per nostril once daily of Rhinocort Aqua Nasal Spray 32 mcg and the maximum recommended dose for pediatric patients (6 to <12 years of age) is 128 mcg per day administered as two sprays per nostril once daily of Rhinocort Aqua Nasal Spray 32 mcg.
It is always desirable to titrate an individual patient to the minimum effective dosage to reduce the possibility of side effects. An improvement in nasal symptoms may be noted in patients within 10 hours of first using Rhinocort Aqua Nasal Spray, however, clinical improvement usually takes 1-2 days with maximum benefit in approximately 2 weeks. When the maximum benefit has been achieved and symptoms have been controlled, reducing the dosage may be effective in maintaining control of the allergic rhinitis symptoms in patients who were initially controlled on higher dosages.
Prior to initial use, the container must be shaken gently and the pump must be primed by actuating eight times. If used daily, the pump does not need to be reprimed. If not used for two consecutive days, reprime with one spray or until a fine spray appears. If not used for more than 14 days, rinse the applicator and reprime with two sprays or until a fine spray appears. Shake the container gently before each use.
Illustrated Patient’s Instructions for Use accompany each package of Rhinocort Aqua 32 mcg.
Rhinocort Aqua Nasal Spray is a nasal spray suspension. Each spray delivers 32 mcg of budesonide. Each bottle of Rhinocort Aqua Nasal Spray 32 mcg contains 120 metered sprays after initial priming.
Rhinocort Aqua Nasal Spray is contraindicated in patients with hypersensitivity to any of its ingredients [see Warnings and Precautions (5.2)].
Epistaxis
In clinical studies of 3 to 52 weeks’ duration epistaxis was observed more frequently in patients treated with Rhinocort Aqua Nasal Spray than those who received placebo [see Adverse Reactions (6.1)].
Candida Infection
In clinical studies with budesonide administered intranasally, the development of localized infections of the nose and pharynx with Candida albicans has occurred. When such an infection develops, it may require treatment with appropriate local or systemic therapy and discontinuation of treatment with Rhinocort Aqua Nasal Spray. Patients using Rhinocort Aqua Nasal Spray over several months or longer should be examined periodically for evidence of Candida infection or other signs of adverse effects on the nasal mucosa.
Nasal Septal Perforation
Instances of nasal septum perforation have been reported following the intranasal application of corticosteroids, including budesonide [see Adverse Reactions (6.2)].
Impaired Wound Healing
Because of the inhibitory effect of corticosteroids on wound healing, patients who have experienced recent nasal septal ulcers, nasal surgery, or nasal trauma should not use a nasal corticosteroid until healing has occurred.
Hypersensitivity reactions including anaphylactic reaction, urticaria, rash, dermatitis, angioedema and pruritus may occur [see Contraindications (4) and Adverse Reactions, Post-marketing Experience (6.2)].
Patients who are on drugs that suppress the immune system are more susceptible to infections than healthy individuals. Chicken pox and measles, for example, can have a more serious or even fatal course in susceptible children or adults using corticosteroids. In such children or adults who have not had these diseases or been properly immunized, particular care should be taken to avoid exposure. How the dose, route, and duration of corticosteroid administration affect the risk of developing a disseminated infection is not known. The contribution of the underlying disease and/or prior corticosteroid treatment to the risk is also not known. If exposed to chicken pox, therapy with varicella zoster immune globulin (VZIG) or pooled intravenous immunoglobulin (IVIG), as appropriate, may be indicated. If exposed to measles, prophylaxis with pooled intramuscular immunoglobulin (IG) may be indicated. (See the respective package inserts for complete VZIG and IG prescribing information). If chicken pox develops, treatment with antiviral agents may be considered.
The clinical course of chicken pox or measles infection in patients on intranasal or inhaled corticosteroids has not been studied. While there is no data with intranasal corticosteroids, a clinical study has examined the immune responsiveness to the varicella vaccine in asthma patients 12 months to 8 years of age who were treated with budesonide inhalation suspension.
An open-label, nonrandomized clinical study examined the immune responsiveness to varicella vaccine in 243 asthma patients 12 months to 8 years of age who were treated with budesonide inhalation suspension 0.25 mg to 1 mg daily (n=151) or non-corticosteroid asthma therapy (n=92) (i.e., beta2-agonists, leukotriene receptor antagonists, or cromones). The percentage of patients developing a seroprotective antibody titer ≥ 5.0 (gpELISA value) in response to the vaccination was similar in patients treated with budesonide inhalation suspension (85%) compared to patients treated with non-corticosteroids asthma therapy (90%). No patient treated with budesonide inhalation suspension developed chicken pox as a result of vaccination.
Corticosteroids should be used with caution, if at all, in patients with active or quiescent tuberculosis infection, untreated fungal, bacterial, systemic viral or parasitic infections; or ocular herpes simplex.
Hypercorticism and Adrenal Suppression: When intranasal steroids are used at higher than recommended dosages or in susceptible individuals at recommended dosages, systemic corticosteroid effects such as hypercorticism and adrenal suppression may appear. If such changes occur, the dosage of Rhinocort Aqua Nasal Spray should be discontinued slowly, consistent with accepted procedures for discontinuing oral corticosteroid therapy.
The replacement of a systemic corticosteroid with a topical corticosteroid can be accompanied by signs of adrenal insufficiency, and in addition some patients may experience symptoms of corticosteroid withdrawal, e.g., joint and/or muscular pain, fatigue, weakness, nausea, vomiting, hypotension, lassitude, and depression. Patients previously treated for prolonged periods with systemic corticosteroids should be weaned off slowly when transferred to topical corticosteroids and carefully monitored for acute adrenal insufficiency in response to stress. In those patients who have asthma or other clinical conditions requiring long-term systemic corticosteroid treatment, too rapid a decrease in systemic corticosteroids may cause a severe exacerbation of their symptoms.
Caution should be exercised when considering the co-administration of Rhinocort Aqua Nasal Spray with ketoconazole and other known strong CYP3A4 inhibitors (e.g., ritonavir, atazanavir, clarithromycin, indinavir, itraconazole, nefazodone, nelfinavir, saquinavir, telithromycin) because adverse effects related to increased systemic exposure to budesonide may occur [see Drug Interactions (7.1), Clinical Pharmacology (12.3)].
Intranasal corticosteroids, including budesonide may cause a reduction in growth velocity when administered to pediatric patients. Monitor the growth routinely of pediatric patients receiving long-term treatment with Rhinocort Aqua Nasal Spray. To minimize the systemic effects of intranasal corticosteroids, including Rhinocort Aqua Nasal Spray, titrate each patient’s dosage to the lowest one that effectively controls his/her symptoms [see Use in Specific Populations, Pediatric Use (8.4)].
Glaucoma, increased intraocular pressure and cataracts have been reported following the intranasal application of corticosteroids, including budesonide. Therefore, close monitoring is warranted in patients with a change in vision or with a history of increased intraocular pressure, glaucoma, and/or cataracts [see Adverse Reactions (6.2)].
Systemic and intranasal corticosteroids use may result in the following:
· EpistaxisCandida albicans infection, nasal septum perforation, and impaired wound healing [see Warnings and Precautions (5.1)].
· Hypersensitivity Including Anaphylaxis [see Warnings and Precautions (5.2)].
· Immunosuppression [see Warnings and Precautions (5.3)].
· Hypercorticism and Adrenal Suppression [see Warnings and Precautions (5.4)].
· Growth Effect [see Warnings and Precautions (5.6) and Use in Specific Populations (8.4)].
· Glaucoma and Cataracts [see Warnings and Precautions (5.7)].
Because clinical trials are conducted under widely varying conditions, adverse reaction rates observed in the clinical trials of a drug cannot be directly compared to rates in the clinical trials of another drug and may not reflect the rates observed in practice.
The incidence of common adverse reactions in Table 1 is based upon two U.S. and five non-U.S. controlled clinical trials in 1,526 patients with seasonal or perennial rhinitis in adults and children ≥ 6 years treated with Rhinocort Aqua Nasal Spray at doses up to 400 mcg once daily for 3-6 weeks. This population included 745 females and 781 males with a mean age of 31 years (range of 6-85 years, 349 were 6 < 18 years). The racial distribution of patients receiving Rhinocort Aqua Nasal Spray was 93% white, 3% black and 4% other. Table 1 describes adverse reactions occurring at an incidence of 2% or greater and more commonly among Rhinocort Aqua Nasal Spray-treated patients than in placebo-treated patients in controlled clinical trials.
| Adverse Event | Rhinocort Aqua Nasal Spray | Placebo Vehicle |
|---|---|---|
Epistaxis | 8% | 5% |
Pharyngitis | 4% | 3% |
Bronchospasm | 2% | 1% |
Coughing | 2% | <1% |
Nasal Irritation | 2% | <1% |
A similar adverse reaction profile was observed in the subgroup of pediatric patients 6 to 12 years of age. These patients are included in Table 1.
Two to three percent (2-3%) of patients in clinical trials discontinued because of adverse reactions. Systemic corticosteroid side effects were not reported during controlled clinical studies with Rhinocort Aqua Nasal Spray.
If recommended doses are exceeded, or if individuals are particularly sensitive, symptoms of hypercorticism, ie, Cushing’s Syndrome, and adrenal suppression could occur.
The following adverse reactions have been reported during post-approval use of Rhinocort Aqua Nasal Spray. Because these reactions are reported voluntarily from a population of uncertain size, it is not always possible to reliably estimate their frequency or establish a causal relationship to drug exposure.
Immune system disorders: immediate and delayed hypersensitivity reactions (including anaphylactic reaction, urticaria, rash, dermatitis, angioedema and pruritus), [see Warnings and Precautions (5.2) and Contraindications (4)]
Eye disorders: glaucoma, increased intraocular pressure, cataracts [see Warnings and Precautions (5.7)]
Respiratory, thoracic, and mediastinal disorders: nasal septum perforation, anosmia, pharynx disorders (throat irritation, throat pain, swollen throat, burning throat, and itchy throat), and wheezing
Cardiac disorders: palpitations
Musculoskeletal and connective tissue disorders: growth suppression [see Warnings and Precautions (5.6) and Use in Specific Populations (8.4)]
The main route of metabolism of corticosteroids, including budesonide, is via cytochrome P450 (CYP) isoenzyme 3A4 (CYP3A4). After oral administration of ketoconazole, a strong inhibitor of CYP3A4, the mean plasma concentration of orally administered budesonide increased. Concomitant administration of CYP3A4 may inhibit the metabolism of, and increase the systemic exposure to, budesonide. Caution should be exercised when considering the co-administration of Rhinocort Aqua Nasal Spray with long-term ketoconazole and other known strong CYP3A4 inhibitors (e.g., ritonavir, atazanavir, clarithromycin, indinavir, itraconazole, nefazodone, nelfinavir, saquinavir, telithromycin) [see Warnings and Precautions (5.6) and Clinical Pharmacology (12.3)].
Teratogenic Effects: Pregnancy Category B. The impact of budesonide on human pregnancy outcomes has been evaluated through assessments of birth registries linked with maternal usage of inhaled budesonide (i.e., PULMICORT TURBUHALER) and intranasally administered budesonide (i.e., Rhinocort Aqua Nasal Spray). The results from population-based prospective cohort epidemiological studies reviewing data from three Swedish registries covering approximately 99% of the pregnancies from 1995- 2001 (i.e., Swedish Medical Birth Registry; Registry of Congenital Malformations; Child Cardiology Registry) indicate no increased risk for overall congenital malformations from the use of inhaled or intranasal budesonide during early pregnancy.
Congenital malformations were studied in 2,014 infants born to mothers reporting the use of inhaled budesonide for asthma in early pregnancy (usually 10-12 weeks after the last menstrual period), the period when most major organ malformations occur.1 The rate of overall congenital malformations was similar compared to the general population rate (3.8 % vs. 3.5%, respectively). The number of infants born with orofacial clefts and cardiac defects was similar to the expected number in the general population (4 children vs. 3.3 and 18 children vs. 17-18, respectively). In a follow-on study bringing the total number of infants to 2,534, the rate of overall congenital malformations among infants whose mothers were exposed to inhaled budesonide during early pregnancy was not different from the rate for all newborn babies during the same period (3.6%).2 A third study from the Swedish Medical Birth Registry of 2,968 pregnancies exposed to inhaled budesonide, the majority of which were first trimester exposures, reported gestational age, birth weight, birth length, stillbirths, and multiple births similar for exposed infants compared to nonexposed infants.3
Congenital malformations were studied in 2,113 infants born to mothers reporting the use of intranasal budesonide in early pregnancy. The rate of overall congenital malformations was similar compared to the general population rate (4.5% vs. 3.5%, respectively). The adjusted odds ratio (OR) was 1.06 (95% CI 0.86-1.31). The number of infants born with orofacial clefts was similar to the expected number in the general population (3 children vs. 3, respectively). The number of infants born with cardiac defects exceeded that expected in the general population (28 children vs. 17.8 respectively). The systemic exposure from intranasal budesonide is 6-fold less than from inhaled budesonide and an association of cardiac defects was not seen with higher exposures of budesonide.
Despite the animal findings, it would appear that the possibility of fetal harm is remote if the drug is used during pregnancy. Nevertheless, because the studies in humans cannot rule out the possibility of harm, Rhinocort Aqua Nasal Spray should be used during pregnancy only if clearly needed.
Budesonide produced fetal loss, decreased pup weights, and skeletal abnormalities at a subcutaneous dose in rabbits that was approximately 2 times the maximum recommended daily intranasal dose in adults on a mcg/m2 basis and at a subcutaneous dose in rats that was approximately 16 times the maximum recommended daily intranasal dose in adults on a mcg/m2 basis. No teratogenic or embryocidal effects were observed in rats when budesonide was administered by inhalation at doses up to approximately 8 times the maximum recommended daily intranasal dose in adults on a mcg/m2 basis.
Experience with oral corticosteroids since their introduction in pharmacologic, as opposed to physiologic doses suggests that rodents are more prone to teratogenic effects from corticosteroids than humans.
Nonteratogenic Effects: Hypoadrenalism may occur in infants born of mothers receiving corticosteroids during pregnancy. Such infants should be carefully observed.
Budesonide is secreted in human milk. Data with budesonide delivered via dry powder inhaler indicates that the total daily oral dose of budesonide available in breast milk to the infant is approximately 0.3% to 1% of the dose inhaled by the mother [see Clinical Pharmacology, Pharmacokinetics, Special Populations, Nursing (12.3)]. No studies have been conducted in breastfeeding women specifically with Rhinocort Aqua Nasal Spray; however, the dose of budesonide available to the infant in breast milk, as a percentage of the maternal dose, would be expected to be similar. Rhinocort Aqua Nasal Spray should be used in nursing women only if clinically appropriate. Prescribers should weigh the known benefits of breastfeeding for the mother and infant against the potential risks of minimal budesonide exposure in the infant. Dosing considerations include prescription or titration to the lowest clinically effective dose and use of Rhinocort Aqua Nasal Spray immediately after breastfeeding to maximize the time interval between dosing and breastfeeding to minimize infant exposure.
Safety and effectiveness in pediatric patients below 6 years of age have not been established.
Controlled clinical studies have shown that intranasal corticosteroids may cause a reduction in growth velocity in pediatric patients. This effect has been observed in the absence of laboratory evidence of hypothalamic-pituitary-adrenal (HPA)-axis suppression, suggesting that growth velocity is a more sensitive indicator of systemic corticosteroid exposure in pediatric patients than some commonly used tests of HPA-axis function. The long-term effects of this reduction in growth velocity associated with intranasal corticosteroids, including the impact on final adult height, are unknown. The potential for "catch-up" growth following discontinuation of treatment with intranasal corticosteroids has not been adequately studied.
The growth of pediatric patients receiving intranasal corticosteroids, including Rhinocort Aqua Nasal Spray, should be monitored routinely (e.g., via stadiometry). The potential growth effects of prolonged treatment should be weighed against clinical benefits obtained and the risks and benefits associated with alternative therapies. To minimize the systemic effects of intranasal corticosteroids, including Rhinocort Aqua Nasal Spray, each patient should be titrated to the lowest dose that effectively controls his/her symptoms.
A one-year placebo-controlled clinical growth study was conducted in 229 pediatric patients (ages 4 through 8 years of age) to assess the effect of Rhinocort Aqua Nasal Spray (single-daily dose of 64 mcg, the recommended starting dose for children ages 6 years and above) on growth velocity. From a population of 141 patients receiving Rhinocort Aqua Nasal Spray and 67 receiving placebo, the point estimate for growth velocity with Rhinocort Aqua Nasal Spray was 0.25 cm/year lower than that noted with placebo (95% confidence interval ranging from 0.59 cm/year lower than placebo to 0.08 cm/year higher than placebo).
In a study of asthmatic children 5-12 years of age, those treated with budesonide administered via a dry powder inhaler 200 mcg twice daily (n=311) had a 1.1-centimeter (0.433 inch) reduction in growth compared with those receiving placebo (n=418) at the end of one year; the difference between these two treatment groups did not increase further over three years of additional treatment. By the end of four years, children treated with budesonide dry powder inhaler and children treated with placebo had similar growth velocities. Conclusions drawn from this study may be confounded by the unequal use of corticosteroids in the treatment groups and inclusion of data from patients attaining puberty during the course of the study.
The systemic effects of inhaled corticosteroids are related to the systemic exposure to such drugs. Pharmacokinetic studies have demonstrated that in both adults and children, systemic exposure to budesonide at the highest recommended doses of Rhinocort Aqua Nasal Spray would be expected to be no greater than exposure at the lowest recommended doses via a dry powder inhaler. Therefore, the systemic effects (HPA axis and growth) of budesonide delivered from Rhinocort Aqua Nasal Spray would be expected to be no greater than what is reported for inhaled budesonide when administered via the dry powder inhaler.
The potential for Rhinocort Aqua Nasal Spray to cause growth suppression in susceptible patients or when given at doses above 64 mcg daily cannot be ruled out. The recommended dosage range in patients 6 to 11 years of age is 64 to 128 mcg per day [see Dosage and Administration (2)].
Of the 2,461 patients in clinical studies of Rhinocort Aqua Nasal Spray, 5% were 60 years of age and over. No overall differences in safety or effectiveness were observed between these subjects and younger subjects, except for an adverse reaction reporting frequency of epistaxis that increased with age. Further, other reported clinical experience has not identified any other differences in responses between elderly and younger patients, but greater sensitivity of some older individuals cannot be ruled out.
Formal pharmacokinetic studies using Rhinocort Aqua Nasal Spray have not been conducted in patients with hepatic impairment. However, since budesonide is predominantly cleared by hepatic metabolism, impairment of liver function may lead to accumulation of budesonide in plasma. Therefore, patients with hepatic disease should be closely monitored.
Acute overdosage with this dosage form is unlikely since one 120 spray bottle of Rhinocort Aqua Nasal Spray 32 mcg only contains approximately 5.4 mg of budesonide. Chronic overdosage may result in signs/symptoms of hypercorticism [see Warnings and Precautions (5.4)].
Budesonide, the active ingredient of Rhinocort Aqua Nasal Spray, is an anti-inflammatory synthetic corticosteroid.
It is designated chemically as (RS)-11-beta, 16-alpha, 17, 21-tetrahydroxypregna-1,4-diene-3,20-dione cyclic 16, 17-acetal with butyraldehyde.
Budesonide is provided as the mixture of two epimers (22R and 22S).
The empirical formula of budesonide is C25H34O6 and its molecular weight is 430.5.
Its structural formula is:
Budesonide is a white to off-white, odorless powder that is practically insoluble in water and in heptane, sparingly soluble in ethanol, and freely soluble in chloroform.
Its partition coefficient between octanol and water at pH 5 is 1.6 x 103.
Rhinocort Aqua Nasal Spray is an unscented, metered-dose, manual-pump spray formulation containing a micronized suspension of budesonide in an aqueous medium. Microcrystalline cellulose and carboxymethyl cellulose sodium, dextrose anhydrous, polysorbate 80, disodium edetate, potassium sorbate, and purified water are contained in this medium; hydrochloric acid is added to adjust the pH to a target of 4.5.
Rhinocort Aqua Nasal Spray delivers 32 mcg of budesonide per spray.
Each bottle of Rhinocort Aqua Nasal Spray 32 mcg contains 120 metered sprays after initial priming.
Prior to initial use, the container must be shaken gently and the pump must be primed by actuating eight times. If used daily, the pump does not need to be reprimed. If not used for two consecutive days, reprime with one spray or until a fine spray appears. If not used for more than 14 days, rinse the applicator and reprime with two sprays or until a fine spray appears.
Budesonide is an anti-inflammatory corticosteroid that exhibits potent glucocorticoid activity and weak mineralocorticoid activity. In standard in vitro and animal models, budesonide has approximately a 200-fold higher affinity for the glucocorticoid receptor and a 1000-fold higher topical anti-inflammatory potency than cortisol (rat croton oil ear edema assay). As a measure of systemic activity, budesonide is 40 times more potent than cortisol when administered subcutaneously and 25 times more potent when administered orally in the rat thymus involution assay. The clinical significance of this is unknown.
The activity of Rhinocort Aqua Nasal Spray is due to the parent drug, budesonide. In glucocorticoid receptor affinity studies, the 22R form was two times as active as the 22S epimer. In vitro studies indicated that the two forms of budesonide do not interconvert.
The precise mechanism of corticosteroid actions on inflammation in seasonal and perennial allergic rhinitis is not well known. Inflammation is an important component in the pathogenesis of seasonal and perennial allergic rhinitis. Corticosteroids have a wide range of inhibitory activities against multiple cell types (e.g., mast cells, eosinophils, neutrophils, macrophages, and lymphocytes) and mediators (e.g., histamine, eicosanoids, leukotrienes, and cytokines) involved in allergic and non-allergic-mediated inflammation. These anti-inflammatory actions of corticosteroids may contribute to their efficacy in seasonal and perennial allergic rhinitis.
A 3-week clinical study in seasonal rhinitis, comparing RHINOCORT Nasal Inhaler, orally ingested budesonide, and placebo in 98 patients with allergic rhinitis due to birch pollen, demonstrated that the therapeutic effect of RHINOCORT Nasal Inhaler can be attributed to the topical effects of budesonide.
HPA Axis Effects:
The effects of Rhinocort Aqua Nasal Spray on adrenal function have been evaluated in several clinical trials. In a four-week clinical trial, 61 adult patients who received 256 mcg daily of Rhinocort Aqua Nasal Spray demonstrated no significant differences from patients receiving placebo in plasma cortisol levels measured before and 60 minutes after 0.25 mg intramuscular cosyntropin. There were no consistent differences in 24-hour urinary cortisol measurements in patients receiving up to 400 mcg daily. Similar results were seen in a study of 150 children and adolescents aged 6 to 17 with perennial rhinitis who were treated with 256 mcg daily for up to 12 months.
After treatment with the recommended maximal daily dose of Rhinocort Aqua Nasal Spray (256 mcg) for seven days, there was a small, but statistically significant decrease in the area under the plasma cortisol-time curve over 24 hours (AUC0-24h) in healthy adult volunteers.
A dose-related suppression of 24-hour urinary cortisol excretion was observed after administration of Rhinocort Aqua Nasal Spray doses ranging from 100-800 mcg daily for up to four days in 78 healthy adult volunteers. The clinical relevance of these results is unknown.
Absorption
After intranasal administration of a single dose of Rhinocort Aqua Nasal Spray (128 mcg), the mean peak plasma concentration of approximately 0.3 nmol/L occurs about 0.5 hours post-dose. Compared to an intravenous dose, approximately 34% of the delivered intranasal dose reaches the systemic circulation, most of which is absorbed through the nasal mucosa. While budesonide is well absorbed from the GI tract, the oral bioavailability of budesonide is low (~10%) primarily due to extensive first pass metabolism in the liver.
Distribution
The volume of distribution of budesonide was approximately 2-3 L/kg. It was 85-90% bound to plasma proteins. The volume of distribution for the 22R epimer is almost twice that of the 22S epimer. Protein binding was constant over a concentration range (1-100 nmol/L) achieved with, and exceeding, recommended doses of Rhinocort Aqua Nasal Spray. Budesonide showed little or no binding to corticosteroid binding globulin. Budesonide rapidly equilibrated with red blood cells in a concentration independent manner with a blood/plasma ratio of about 0.8.
Metabolism
In vitro studies with human liver homogenates have shown that budesonide is rapidly and extensively metabolized. Two major metabolites formed via cytochrome P450 (CYP) isoenzyme 3A4 (CYP3A4)-catalyzed biotransformation have been isolated and identified as 16α-hydroxyprednisolone and 6β-hydroxybudesonide. The corticosteroid activity of each of these two metabolites is less than 1% of that of the parent compound. No qualitative difference between the in vitro and in vivo metabolic patterns have been detected. Negligible metabolic inactivation was observed in human lung and serum preparations.
Excretion/Elimination
The 22R form of budesonide was preferentially cleared by the liver with systemic clearance of 1.4 L/min vs. 1.0 L/min for the 22S form. The terminal half-life, 2 to 3 hours, was the same for both epimers and was independent of dose. Budesonide was excreted in urine and feces in the form of metabolites. Approximately 2/3 of an intranasal radiolabeled dose was recovered in the urine and the remainder in the feces. No unchanged budesonide was detected in the urine.
Specific Populations
Geriatric
The pharmacokinetics of Rhinocort Aqua Nasal Spray in geriatric patients have not been specifically studied.
Pediatric
Following administration of Rhinocort Aqua Nasal Spray, the time to reach peak drug concentrations and plasma half-life were similar in children and in adults. Children had plasma concentrations approximately twice those observed in adults due primarily to differences in weight between children and adults.
Gender
No specific pharmacokinetic study has been conducted to evaluate the effect of gender on budesonide pharmacokinetics. However, following administration of 400 mcg of Rhinocort Aqua Nasal Spray to 7 male and 8 female volunteers in a pharmacokinetic study, no major gender differences in the pharmacokinetic parameters were found.
Race
No specific study has been undertaken to evaluate the effect of race on budesonide pharmacokinetics.
Nursing Mothers
The disposition of budesonide when delivered by oral inhalation from a dry powder inhaler at doses of 200 or 400 mcg twice daily for at least 3 months was studied in eight lactating women with asthma from 1 to 6 months postpartum. Systemic exposure to budesonide in these women appears to be comparable to that in non-lactating women with asthma from other studies. Breast milk obtained over eight hours post-dose revealed that the maximum concentration of budesonide for the 400 and 800 mcg doses was 0.39 and 0.78 nmol/L, respectively, and occurred within 45 minutes after dosing. The estimated oral daily dose of budesonide from breast milk to the infant was approximately 0.007 and 0.014 mcg/kg/day for the two dose regimens used in this study, which represents approximately 0.3% to 1% of the dose inhaled by the mother. Budesonide levels in plasma samples obtained from five infants at about 90 minutes after breastfeeding (and about 140 minutes after drug administration to the mother) were below quantifiable levels (<0.02 nmol/L in four infants and <0.04 nmol/L in one infant) [see Use in Specific Populations, Nursing Mothers (8.3)].
Renal or Hepatic Impairment
The pharmacokinetics of budesonide have not been investigated in patients with renal impairment. Reduced liver function may affect the elimination of corticosteroids. The pharmacokinetics of budesonide were affected by compromised liver function as evidenced by a doubled systemic availability after oral ingestion. The relevance of this finding to intranasally administered budesonide has not been established.
Drug-Drug Interactions
Inhibitors of cytochrome P450 enzymes
Ketoconazole: Ketoconazole, a strong inhibitor of cytochrome P450 (CYP) isoenzyme 3A4 (CYP3A4), the main metabolic enzyme for corticosteroids, increased plasma levels of orally ingested budesonide [see Warnings and Precautions (5.5) and Drug Interactions (7.1)].
Cimetidine: At recommended doses, cimetidine, a non-specific inhibitor of CYP enzymes, had a slight but clinically insignificant effect on the pharmacokinetics of oral budesonide.
In a 104-week oral study in Sprague-Dawley rats, a statistically significant increase in the incidence of gliomas was observed in the male rats receiving an oral dose of budesonide 50 mcg/kg/day (approximately twice the maximum recommended daily intranasal dose in adults and children on a mcg/m2 basis). No tumorigenicity was seen in male rats at oral doses up to 25 mcg/kg (approximately equal to the maximum recommended daily intranasal dose in adults and children on a mcg/m2 basis, and in female rats at oral doses up to 50 mcg/kg approximately two times the maximum recommended daily intranasal dose in adults and children on a mcg/m2 basis). In two additional two-year studies in male Fischer and Sprague-Dawley rats, budesonide caused no gliomas at an oral dose of 50 mcg/kg (approximately twice the maximum recommended daily intranasal dose in adults and children on a mcg/m2 basis). However, in the male Sprague-Dawley rats, budesonide caused a statistically significant increase in the incidence of hepatocellular tumors at an oral dose of 50 mcg/kg (approximately twice the maximum recommended daily intranasal dose in adults and children on a mcg/m2 basis). The concurrent reference corticosteroids (prednisolone and triamcinolone acetonide) in these two studies showed similar findings.
There was no evidence of a carcinogenic effect when budesonide was administered orally for 91-weeks to mice at doses up to 200 mcg/kg/day (approximately 3 times the maximum recommended daily intranasal dose in adults and children on a mcg/m2 basis).
Budesonide was not mutagenic or clastogenic in six different test systems: Ames Salmonella/microsome plate test, mouse micronucleus test, mouse lymphoma test, chromosome aberration test in human lymphocytes, sex-linked recessive lethal test in Drosophila melanogaster, and DNA repair analysis in rat hepatocyte culture.
In rats, budesonide had no effect on fertility at subcutaneous doses up to 80 mcg/kg (approximately 3 times the maximum recommended daily intranasal dose in adults on mcg/m2 basis).
At a subcutaneous dose of 20 mcg/kg/day (less than the maximum recommended daily intranasal dose in adults on a mcg/m2 basis), decreases in maternal body weight gain, prenatal viability, and viability of the young at birth and during lactation were observed. No such effects were noted at 5 mcg/kg (less than the maximum recommended daily intranasal dose in adults on a mcg/m2 basis).
Budesonide was teratogenic and embryocidal in rabbits and rats. Budesonide produced fetal loss, decreased pup weights, and skeletal abnormalities at a subcutaneous dose of 25 mcg/kg in rabbits (approximately 2 times the maximum recommended daily intranasal dose in adults on a mcg/m2 basis) and at a subcutaneous dose of 500 mcg/kg in rats (approximately 16 times the maximum recommended daily intranasal dose in adults on a mcg/m2 basis). No teratogenic or embryocidal effects were observed in rats when budesonide was administered by inhalation doses up to 250 mcg/kg (approximately 8 times the maximum recommended daily intranasal dose in adults on a mcg/m2 basis).
The therapeutic efficacy of Rhinocort Aqua Nasal Spray has been evaluated in placebo-controlled clinical trials of seasonal and perennial allergic rhinitis of 3-6 weeks duration.
The number of patients treated with budesonide in these studies was 90 males and 51 females aged 6-12 years and 691 males and 694 females 12 years and above. The patients were predominantly Caucasian.
Overall, the results of these clinical trials showed that Rhinocort Aqua Nasal Spray administered once daily provides statistically significant reduction in the severity of nasal symptoms of seasonal and perennial allergic rhinitis including runny nose, sneezing, and nasal congestion.
An improvement in nasal symptoms may be noted in patients within 10 hours of first using Rhinocort Aqua Nasal Spray. This time to onset is supported by an environmental exposure unit study in seasonal allergic rhinitis patients that demonstrated that Rhinocort Aqua Nasal Spray led to a statistically significant improvement in nasal symptoms compared to placebo by 10 hours. Further support comes from a clinical study of patients with perennial allergic rhinitis which demonstrated a statistically significant improvement in nasal symptoms for both Rhinocort Aqua Nasal Spray and for the active comparator (mometasone furoate) compared to placebo by 8 hours. Onset was also assessed in this study with peak nasal inspiratory flow rate and this endpoint failed to show efficacy for either active treatment. Although statistically significant improvements in nasal symptoms compared to placebo were noted within 8-10 hours in these studies, about one half to two thirds of the ultimate clinical improvement with Rhinocort Aqua Nasal Spray occurs over the first 1-2 days, and maximum benefit may not be achieved until approximately 2 weeks after initiation of treatment.
1 Kallen B, Rydhstroem H, Aberg A. Congenital malformations after the use of inhaled budesonide in early pregnancy. Obstet Gynecol 1999; 93:392-395.
2 Ericson A, Kallen B. Use of drugs during pregnancy: unique Swedish registration method that can be improved. Swedish Medical Products Agency 1999;1:8-11.
3 Norjavaara E, Gerhardsson de Verdier M. Normal pregnancy outcomes in a population-based study including 2968 pregnant women exposed to budesonide. J Allergy Clin Immunol 2003;111:736-742.
Rhinocort Aqua Nasal Spray 32 mcg is available in an amber glass bottle with a metered-dose pump spray and a green protection cap. Rhinocort Aqua Nasal Spray 32 mcg (NDC 0186-1070-08) provides 120 metered sprays after initial priming; net fill weight 8.6 g. The Rhinocort Aqua Nasal Spray 32 mcg bottle has been filled with an excess to accommodate the priming activity. The bottle should be discarded after 120 sprays following initial priming, since the amount of budesonide delivered per spray thereafter may be substantially less than the labeled dose. Each spray delivers 32 mcg of budesonide to the patient.
Rhinocort Aqua Nasal Spray should be stored at controlled room temperature, 20 to 25°C (68 to 77°F) with the valve up. Do not freeze. Protect from light. Shake gently before use. Do not spray in eyes.
[See FDA-Approved Patient Labeling]
Patients being treated with Rhinocort Aqua Nasal Spray should receive the following information and instructions. This information is intended to aid the patient in the safe and effective use of the medication. It is not a disclosure of all possible adverse or intended effects. For proper use of Rhinocort Aqua Nasal Spray and to attain maximum improvement, the patient should read and follow the accompanying FDA Approved Patient Labeling.
Patients should be advised that epistaxis and localized infections with Candida albicans occurred in the nose and pharynx in some patients. If candidiasis develops, it should be treated with appropriate local or systemic therapy and discontinue treatment with Rhinocort Aqua Nasal spray. In addition, nasal corticosteroids are associated with nasal septal perforation and impaired wound healing. Patients who have experienced recent nasal ulcers, nasal surgery, or nasal trauma should not use Rhinocort Aqua Nasal Spray until healing has occurred [see Warnings and Precautions (5.1)].
Patients should be advised that hypersensitivity reactions including anaphylactic reaction, urticaria, rash, dermatitis, angioedema and pruritus have been reported with use of Rhinocort Aqua Nasal Spray. Discontinue Rhinocort Aqua Nasal Spray if such reactions occur [see Contraindications (4)Warnings and Preacautions(5.2) and Adverse Reactions (6)].
Patients who are on immunosuppressant doses of corticosteroids should be warned to avoid exposure to chickenpox or measles and, if exposed, to consult their physician without delay. Patients should be informed of potential worsening of existing tuberculosis, fungal, bacterial, viral, or parasitic infection, or ocular herpes simplex [see Warnings and Precautions (5.3)].
Patients should be advised that intranasal corticosteroids, including budesonide, may cause a reduction in growth velocity when administered to pediatric patients. Physicians should closely follow the growth of children and adolescents taking corticosteroids by any route [see Warnings and Precautions (5.7)].
Patients should be advised that long-term use of intranasal corticosteroids, including budesonide, may increase the risk of some eye problems (cataracts and glaucoma). Patients should inform his/her healthcare provider if a change in vision is noted while using Rhinocort Aqua Nasal Spray [see Warnings and Precautions (5.7)].
Patients should use Rhinocort Aqua Nasal Spray at regular intervals since its effectiveness depends on its regular use. Patients may note an improvement in nasal symptoms within 10 hours of first using Rhinocort Aqua Nasal Spray. Maximum benefit may not be achieved until approximately 2 week after initiation of treatment [see Dosage and Administration (2)].
Patients should take the medication as directed and should not exceed the prescribed dosage. The patient should contact the physician if symptoms do not improve after two weeks, or if the condition worsens. Patients who experience recurrent episodes of epistaxis (nosebleeds) or nasal septum discomfort while taking this medication should contact their physician. For proper use of Rhinocort Aqua Nasal Spray and to attain maximum improvement, the patient should read and follow the accompanying patient information carefully. Do not use Rhinocort Aqua Nasal Spray after the labeled number of sprays have been used (does not include priming) or after the expiration date shown on the carton or bottle label.
Patients should be carefully instructed on the use of this drug product to assure optimal dose delivery [see Patient Information].
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©AstraZeneca 2008, 2009, 2010
Distributed by:
AstraZeneca LP, Wilmington, DE 19850
Rev. 12/10
Rhinocort Aqua®
(RINE-o-cort AH-kwa)
(budesonide)
Nasal Spray
For use in your nose only
Read the Patient Information that comes with Rhinocort Aqua Nasal Spray before you start using it and each time you get a refill. There may be new information. This information does not take the place of talking with your healthcare provider about your medical condition or treatment. If you have questions about Rhinocort Aqua Nasal Spray, ask your healthcare provider or pharmacist.
What is Rhinocort Aqua Nasal Spray?
Rhinocort Aqua Nasal Spray is a prescription medicine used to treat seasonal and year-round allergy symptoms in adults and children 6 years of age and older.
Rhinocort Aqua Nasal Spray contains budesonide, which is a man-made (synthetic) corticosteroid. Intranasal corticosteroids are natural hormones found in the body that reduce swelling of the lining of your nose. When you spray Rhinocort Aqua Nasal Spray into your nose, it helps reduce the nasal symptoms of allergic rhinitis (inflammation of the lining of the nose), such as stuffy nose, runny nose, itching and sneezing.
The safety and effectiveness of Rhinocort Aqua Nasal Spray has not been shown in children under 6 years of age.
Who should not use Rhinocort Aqua Nasal Spray?
Do not use Rhinocort Aqua Nasal Spray:
· if you are allergic to budesonide or any of the ingredients in Rhinocort Aqua Nasal Spray. See the end of this leaflet for a c
