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Zafirlukast Medication | Precautions and Dosage of Zafirlukast Zafirlukast is indicated in patients with chronic asthma to improve daytime asthma symptoms, forced expiratory volume in 1 second (FEV 1), and morning peak expiratory flow rates, and to decrease nighttime awakenings, mornings with asthma symptoms, and use of a rescue beta 2 agonist. Zafirlukast is not indicated for the treatment of bronchospasm in acute asthma attacks, including status asthmaticus; however, use of zafirlukast can be continued during an acute exacerbation. Zafirlukast was not mutagenic in reverse or forward point mutation assays or in human and rat assays for chromosomal abnormalities. www.total-health-care.com /drugs/zafirlukast.htm   (665 words)

Zafirlukast - Buy without Prescription, No Membership, Side Effects, and Recommended Dosage. Zafirlukast - oral leukotriene the antagonist of the receptor, used to consider an asthma. Zafirlukast is used in chronic treatment of an asthma. Zafirlukast forbids activity of cytochrome isozymes CYP 3A4 and CYP 2C9. www.rxhelphere.com /zafirlukast.htm   (331 words)

Medications Zafirlukast disposition was unchanged after multiple dosing (20 mg twice daily) in children and the degree of accumulation in plasma was similar to that observed in adults. In two-year carcinogenicity studies, zafirlukast was administered at dietary doses of 10, 100, and 300 mg/kg to mice and 40, 400, and 2000 mg/kg to rats. The effectiveness of zafirlukast for the prophylaxis and chronic treatment of asthma in pediatric patients aged 7-11 years is based on an extrapolation of the demonstrated efficacy of zafirlukast in adults with asthma and the likelihood that the disease course, and pathophysiology and the drug's effect are substantially similar between the two populations. www.nyallergy.com /medications.php?sid=accolate   (3930 words)

Zafirlukast Information on Healthline Leukotrienes are substances in the body that are associated with the inflammation and constriction of airway muscles and the accumulation of fluid in the lungs, all of which occur during an asthma attack. Zafirlukast is in the FDA pregnancy category B. This means that it is not expected to be harmful to an unborn baby. Zafirlukast is not approved for use by children younger than 5 years of age. www.healthline.com /multumcontent/zafirlukast   (906 words)

Howstuffworks "Zafirlukast: A Profile of an Antiasthmatic Drug" Zafirlukast is used to prevent the symptoms of asthma, such as wheezing and shortness of breath. Zafirlukast works by blocking the actions of certain chemicals in the body that cause the airways of the lungs to become inflamed and narrowed. Zafirlukast should be taken on an empty stomach (either one hour before or two hours after a meal) to make sure it is completely absorbed, unless your doctor tells you to do otherwise. health.howstuffworks.com /define-zafirlukast.htm   (562 words)

zafirlukast - Asthma symptoms, relief therapies, treatment and medications on MedicineNet.com Zafirlukast blocks the binding of leukotriene types D4 (LTD4), and E4 (LTE4). In one small study, zafirlukast was shown to interact with warfarin (Coumadin), resulting in increased "thinning" of blood and a decreased ability of blood to clot. Physicians may prescribe zafirlukast during pregnancy if it is felt that its benefits outweigh the potential unknown risks. www.medicinenet.com /zafirlukast/article.htm   (459 words)

RxMed: Prescribing Information Zafirlukast is not a bronchodilator and should not be used to treat acute episodes of asthma. Because of the potential for tumorigenicity shown for zafirlukast in mouse and rat studies and the enhanced sensitivity of neonatal rats and dogs to the adverse effects of zafirlukast, it should not be administered to mothers who are breast-feeding. Coadministration of zafirlukast (80 mg/day) at steady-state with a single dose of a liquid theophylline preparation (6 mg/kg) in 13 asthmatic patients resulted in decreased mean plasma levels of zafirlukast by approximately 30%, but no effect on plasma theophylline levels was observed. www.rxmed.com /b.main/b3.herb.monos/b3.1.monographs/accolate.html   (2743 words)

Patent 6,762,193 Zafirlukast was to be administered at the dose of 20 mg. Zafirlukast was initiated at a dose of 20 mg taken twice daily and within the first 6 weeks of zafirlukast treatment both the patient and his wife witnessed less occurrence of hair loss and by the fourth month of treatment regrowth of hair in the area of temporat and vertex balding was observed. Zafirlukast is both safe and effective in the treatment and management of inflammatory and androgen mediated disorders for which dihydrotestosterone suppression and leukotriene antagonism is desired. www.pharmcast.com /Patents100/Yr2004/July2004/071304/6762193_HairLoss071304.htm   (3619 words)

Treatment of Atopic Dermatitis with Zafirlucast Zafirlukast dosage was increased to 20mg twice a day, with further reductions in pruritus and erythema, although subjective dryness persisted, which was treated with mineral oil. The efficacy of zafirlukast in relieving signs and symptoms of atopic dermatitis suggests that it may be a satisfactory alternative to cyclosporine with a superior safety profile. Thus, zafirlukast appears to be a potentially useful agent for patients with severe atopic dermatitis that is safer and at least as effective as either systemic corticosteroids or cyclosporine. dermatology.cdlib.org /DOJvol5num2/editorials/zafirlukast.html   (903 words)

Drug Information ZAFIRLUKAST (Accolate®) helps to reduce asthma symptoms (coughing, wheezing, shortness of breath, or chest tightness) and control your asthma. Zafirlukast is effective in adults and older children. Zafirlukast is only used to help prevent asthma attacks; it is not used as a "quick-relief" medicine to treat an asthma attack. www.muschealth.com /cds/CPDrugInfo.details.aspx?cpnum=651&language=english   (480 words)

Zafirlukast   (Site not responding. Last check: 2007-10-16) Zafirlukast is used in the prevention and treatment of mild to severe Therefore, zafirlukast should be taken one hour before or two hours after a meal. Zafirlukast: the first leukotriene-receptor antagonist approved for the treatment of asthma. www.kroger.com /hn/Drug/Zafirlukast.htm   (374 words)

Zafirlukast treatment in patients with acute asthma American Family Physician - Find Articles Patients received standard protocol for acute asthma treatment in the emergency department and were randomized to receive zafirlukast in a one-time 160-mg, 20-mg, or placebo in the emergency department. They were then discharged to receive zafirlukast in a dosage of 20 mg twice per day during the study period or placebo. Zafirlukast is a useful treatment adjunct in patients who have acute asthma symptoms. www.findarticles.com /p/articles/mi_m3225/is_7_72/ai_n15798300   (620 words)

[No title] Zafirlukast is not indicated for use in the reversal of bronchospasm in acute asthma attacks, including status asthmaticus. An increased proportion of zafirlukast patients >55 years of age reported infections as compared to placebo-treated patients. Infections occurred equally in both sexes, were dose-proportional to total milligrams of zafirlukast exposure and were associated with coadministration of inhaled corticosteroids. www.musc.edu /pharmacyservices/Drugs/Z/Zafirlukast.doc   (334 words)

Leukotriene pathway modifiers for long-term control of asthma If the liver is being affected by zafirlukast or zileuton, liver function tests will show increased liver enzyme levels in the blood within the first 2 months of treatment. Zafirlukast also may cause problems when taken with other medications, such as blood pressure medications, aspirin, and some seizure medications. People who are taking zafirlukast or zileuton need to have liver function tests several times during the first 6 months of treatment. www.webmd.com /hw/asthma/hw163553.asp?printing=true   (560 words)

Asthma induced by aspiran, leukotriene E4 in urine and zafirlukast zafirlukast dosis was administered to both groups, VO, during eight weeks. No serious disadvantage was found associated to zafirlukast and side effects were slight after two months. In LTE4 level drop was found in urine, in possible relation with zafirlukast, interruption on the pulmonary chronic inflammatory process. www.imbiomed.com /Alergiamx/Alxv49n2/english/Zalx022-06.html   (351 words)

MedlinePlus Drug Information: Zafirlukast Zafirlukast is also sometimes used to treat allergic rhinitis (hay fever; runny nose, watery eyes, and other symptoms caused by an allergic reaction to pollen or other substances in the air). Zafirlukast is also sometimes used to prevent breathing difficulties during exercise in people who have asthma. Other medications may also interact with zafirlukast, so be sure to tell your doctor about all the medications you are taking, even those that do not appear on this list. www.nlm.nih.gov /medlineplus/druginfo/medmaster/a697007.html   (730 words)

Zafirlukast Zafirlukast is used in the prevention and treatment of mild to severe Therefore, zafirlukast should be taken one hour before or two hours after a meal. Zafirlukast: the first leukotriene-receptor antagonist approved for the treatment of asthma. www.pccnaturalmarkets.com /health/Drug/Zafirlukast.htm   (376 words)

UIC College of Pharmacy Drug Information Center Zafirlukast is a leukotriene receptor antagonist used to reduce airway edema and smooth muscle constriction in asthmatic patients. The authors of the brief communication state that evidence that zafirlukast was the cause of severe liver injury in these three patients was abundant. The exact mechanism by which zafirlukast causes hepatic injury is not known, but it may be immunologic in nature. www.uic.edu /pharmacy/services/di/accolate.htm   (426 words)

Zafirlukast Drug Information Zafirlukast (za-FIR-loo-kast) is used by patients with mild-to-moderate asthma to decrease the symptoms of asthma and the number of acute asthma attacks. Children—Studies on this medicine have been done only in adult patients and there is no specific information comparing use of zafirlukast in children up to 7 years of age with use in other age groups. It is not known whether these infections were caused by taking zafirlukast or by other factors. www.drugs.com /cons/Zafirlukast.html   (1105 words)

Zafirlukast - Patient UK Zafirlukast can be used to treat mild to moderate asthma and to help relieve tightness of the chest often experienced by asthmatics during exercise. This inflames and tightens the tiny air passages of the lungs (the bronchioles) during an asthma attack. Each dose of zafirlukast should be taken one hour before food or on an empty stomach. www.patient.co.uk /showdoc/30003738   (674 words)

Accolate - Accolate Side Effects - Accolate Information - Canada Pharmacy - Drugs from Canada If zafirlukast is discontinued due to hepatotoxicity with no other attributable cause, the patient should not be re-exposed to zafirlukast. Carcinogenesis and Mutagenicity: In 2-year oral carcinogenicity studies, zafirlukast was administered at daily doses of 10 to 300 mg/kg to mice and 40 to 2000 mg/kg to rats. The safety database for zafirlukast consists of more than 4000 healthy volunteers and patients who received zafirlukast, of which 1723 were asthmatics enrolled in trials of 13 weeks' duration or longer. www.rxcarecanada.com /Accolate.asp?prodid=2   (3287 words)

Accolate Online, Description, Chemistry, Ingredients, Blackbox - Zafirlukast - RxList Monographs Zafirlukast is a synthetic, selective peptide leukotriene receptor antagonist (LTRA), with the chemical name 4-(5-cyclopentyloxy-carbonylamino-1-methyl-indol-3-ylmethyl)-3-methoxy-N-o-tolylsulfonylbenzamide. The molecular weight of zafirlukast is 575.7 and the structural formula is: Zafirlukast, a fine white to pale yellow amorphous powder, is practically insoluble in water. www.rxlist.com /cgi/generic/zafirlukast.htm   (156 words)

Zafirlukast for the Treatment of People Allergic to Cats In the study, half of the persons with cat-induced asthma were given zafirlukast for a week, and the other persons received a placebo (sugar pill). The people who had taken zafirlukast were able to breathe better and be in contact with the allergens for a longer period of time before experiencing more severe symptoms. We look forward to the development of medications, such as zafirlukast which could allow these people and others to enjoy their cats more. www.peteducation.com /article.cfm?cls=0&cat=1523&articleid=1258   (195 words)

Zafirlukast (Systemic) - MayoClinic.com Zafirlukast has not been studied in pregnant women. Zafirlukast passes into breast milk and may cause unwanted effects in nursing babies. Studies on this medicine have been done only in adult patients and there is no specific information comparing use of zafirlukast in children up to 7 years of age with use in other age groups. www.mayoclinic.com /health/drug-information/DR202917   (797 words)

Breast Augmentation Capsular Contracture of the Breast Implant Prevention, Treatment and Photos In another study, 30 patients with recognized capsules used Zafirlukast for 12 months and 50% experienced softening or have become candidates for closed compression. Long term effects are unknown as Zafirlukast has only been available in the US since 1999. Other benefits: Zafirlukast is used chronic rhinitis so patients may notice improved breathing which also may lead to decreased snoring. www.implantforum.com /capsular-contracture   (624 words)

Zafirlukast In a drug interaction study in 11 asthmatic patients, coadministration of a single dose of zafirlukast (40 mg) with erythromycin (500 mg three times daily for 5 days) to steady-state resulted in decreased mean plasma levels of zafirlukast by approximately 40% due to a decrease in zafirlukast bioavailability. Coadministration of zafirlukast (20 mg/day) or placebo at steady-state with a single dose of sustained release theophylline preparation (16 mg/kg) in 16 healthy boys and girls (6 through 11 years of age) resulted in no significant differences in the pharmacokinetic parameters of theophylline. Coadministration of zafirlukast (80 mg/day) at steady-state with a single dose of a liquid theophylline preparation (6 mg/kg) in 13 asthmatic patients, 18 to 44 years of age, resulted in decreased mean plasma levels of zafirlukast by approximately 30%, but no effect on plasma theophylline levels was observed. www.mongabay.com /health/medications/Zafirlukast.html   (1112 words)

Summary of Clinical Trials with Zafirlukast -- CALHOUN 157 (6): 238 -- American Journal of Respiratory and Critical ... Plotted is the zafirlukast plasma concentration versus time curve for normal subjects who received 5-, 10-, 20-, 40-, or 50-mg tablets of zafirlukast. The pharmacokinetics of zafirlukast in children (ages 7 to 11 yr), adolescents (ages 12 to 17 yr), and adults with asthma Zafirlukast may be safely administered with a number of other therapies that are routinely used in the treatment of asthma ajrccm.atsjournals.org /cgi/content/full/157/6/S238   (4549 words)

Cat Allergy Sufferers Find Relief in Asthma Drug Scientists at Johns Hopkins have found that individuals who have the misfortune to be allergic to cats can find welcome relief and protection from symptoms in one of a new class of drugs already known to help other asthmatics. Zafirlukast is one of a relatively new class of asthma medicines known as leukotriene antagonists. Zafirlukast significantly reduced the number of lung and nasal allergic symptoms individuals experienced when exposed to cats. www.hopkinsmedicine.org /press/2000/APRIL/000427.HTM   (441 words)

AstraZeneca Clinical Trials To assess the safety of zafirlukast (20 mg bd) when taken for a period of up to 2 years by asthmatic patients. All such patients were eligible, irrespective of whether they had received zafirlukast, another asthma therapy, or placebo in the earlier trial. Under the original protocolled trial design, those patients who had never received zafirlukast before were to attend an additional clinical visit at Visit 3 (Week 4), to assess any immediate effects of zafirlukast treatment. www.astrazenecaclinicaltrials.com /Article/515687.aspx   (875 words)

Complete Zafirlukast information from Drugs.com Zafirlukast is not effective in treating acute asthmatic symptoms, but it can be continued during these times. Warn patient that drug is an asthma controller and is not to be used to treat an acute asthma attack. Advise patient to continue to take zafirlukast during an acute attack but to use rescue medication (bronchodilator) to obtain rapid relief of asthma symptoms. www.drugs.com /ppa/zafirlukast.html   (645 words)

Zafirlukast (Accolate) in asthma Of the 6 trials investigating whether zafirlukast is effective or not, 5 trials suggest that zafirlukast is effective (v placebo), one trial found that it is no better than sodium cromoglycate and one trial found no significant benefit at 6 weeks of treatment when compared with placebo. The continued effectiveness of zafirlukast after 13 weeks is unknown, as there are as yet no trials with a duration of over 13 weeks. There is insufficient evidence of zafirlukast's effectiveness in long-term management and for routine use as Step 2 treatment, but results of direct comparative trials with corticosteroids are awaited. www.tripdatabase.com /spider.html?itemid=308433   (362 words)

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