Key facts about Singulair
What is Singulair?
Singulair is the brand name for montelukast and is available as an oral tablet, chewable tablet, and oral granules.
What dosages is Singulair available in?
Singulair is available as a 10 mg oral tablet, a 4 mg and 5 mg chewable tablet, and 4 mg oral granules.
What is Singulair used for?
Singulair is a leukotriene receptor antagonist and is used to treat the following:
- Seasonal allergies
- Year-round allergies
- Asthma
- Exercise-induced asthma
How does Singulair work?
Singulair is a leukotriene receptor antagonist, meaning it blocks substances in the body called leukotrienes. Leukotrienes can cause inflammation and swelling, and they play a role in causing asthma and allergy symptoms. By blocking leukotrienes, Singulair helps your asthma or allergies.
How do I take Singulair?
Singulair is typically taken by mouth once daily. Your dose depends on the formulation of the medication and what you’re using it for.
- For asthma, Singulair is typically taken in the evening
- For exercise-induced asthma, the medication is typically taken at least 2 hours before exercise
Is it safe for me to take Singulair?
Singulair is a safe and effective treatment when used for FDA licensed indications. However, like all medications, they may give you unwanted side effects. You should always discuss potential side effects with your physician to ensure the medication is suitable and right for you.
Singulair Common Side Effects
Common side effects of Singulair:
- Headache
- Fever
- Influenza-like symptoms
- Sore throat
- Cough
- Runny nose
- Sinus inflammation
- Belly pain
- Heartburn
- Diarrhea
Singulair Serious Side Effects
Serious side effects are rare with Singulair. Contact your healthcare provider immediately if you experience any of the following.
- Mental health disturbances: distress, aggressive behavior, anxiousness, depression, bad or vivid dreams, hallucinations, trouble sleeping, trouble with memory, obsessive-compulsive symptoms, restlessness, suicidal thoughts and behavior
Effects of other drugs, drug classes and over-the-counter products on Singulair
- There are no major drug interactions listed for Singulair. However, always let your physician and pharmacist know about any other medications or supplements (including prescribed and over-the-counter medications, vitamins, and dietary or herbal supplements) that you are currently taking
Who makes Singulair?
Merck & Co., Inc.
Is Singulair safe in pregnancy?
Available data from published prospective and retrospective cohort studies over decades with
Singulair use in pregnant women have not established a drug-associated risk of major birth defects. You should talk to your healthcare provider before taking this medication if you are pregnant.
