Singulair vs. Allegra

• 顺尔宁和爱兰歌娜一样的吗?
• What Are Possible Side Effects of Singulair?
• What Are Possible Side Effects of Allegra?
• What Is Singulair?
• What Is Allegra?
• What Drugs Interact with Singulair?
• What Drugs Interact with Allegra?
• How Should Singulair Be Taken?
• How Should Allegra Be Taken?

Singulair(montelukast) andAllegra(fexofenadinehydrochloride) are used to treat symptoms ofallergic rhinitis.

Singulair is also used to treatasthma和to prevent exercise-induced narrowing of the airways.

Singulair and Allegra belong to different drug classes. Singulair is aleukotrienereceptorantagonist和Allegra is an antihistamine.

Singulair is available byprescriptiononly and Allegra is availableover-the-counter(OTC).

Commonside effectsof Singulair include:

• skinrash,
• mood changes,
• tremors,
• headache,
• stomachpain,
• heartburn,
• upset stomach,
• nausea,
• diarrhea,
• toothpain,
• tiredness,
• fever,
• stuffy nose,
• sore throat,
• cough,
• 和hoarseness.

Common side effects of Allegra include:

• nausea,
• diarrhea,
• upset stomach,
• 肌肉or back discomfort or pain,
• sleepiness,
• drowsiness,
• tiredness,
• headache, and
• menstrual cramps.

Contact yourdoctorif you have serious but less common side effects of Allegra including

• allergic reactions,
• fever,
• chills,
• body aches,
• cough, or
• otherflusymptoms.

Singulair (montelukast) is a leukotriene receptor antagonist drug usedinthe treatment of asthma and allergicrhinitis. Singulair is also indicated for prevention of exercise-induced narrowing of the airways.

Allegra (fexofenadine hydrochloride) is an antihistamine used to treat allergic symptoms of seasonal allergic rhinitis (sneezing,流没有水se, itchy or watery eyes), andurticaria(hives).

Singulair may interact withphenobarbitalorrifampin

Allegra may interact with other medicines that make you sleepy (such as cold orallergymedicine, sedatives,narcoticpain medicine, sleeping pills, muscle relaxers, and medicine for seizures,depression, oranxiety),ketoconazole, or红霉素.

The following doses of Singulair are recommended: For adults and adolescents 15 years of age and older: one 10-mgtablet. Forpediatricpatients 6 to 14 years of age: one 5-mg chewable tablet. For pediatric patients 2 to 5 years of age: one 4-mg chewable tablet or one packet of 4-mgoralgranules. For pediatric patients 12 to 23 months of age: one packet of 4-mg oral granules. Singulair may interact with phenobarbital or rifampin.

Allegra is available in several strengths and forms; as tablets in strengths of 30, 60 and 180 mg, as 30 mg fast orally disintegrating tablets (available in foilblisterpacks and labeled "ODT"; the drug should not be touched by skin as it may begin to dissolve and reduce the oral dose) and as an oral suspension of 30mg per 5 ml. The dosage is dependent on the age, weight and effectiveness of the drug; special care should be taken when prescribing this drug to infants and children to make sure the recommended dosage is given.