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Montelukast
Montelukast is a medication used to help manage and prevent symptoms associated with asthma and allergies. It is often prescribed to reduce inflammation and ease breathing difficulties.
It works by blocking substances in the body called leukotrienes, which are involved in causing asthma symptoms and allergic reactions.
Information about Montelukast
Montelukast Uses
Montelukast is commonly used for the prevention and long-term treatment of asthma and to relieve symptoms of allergies.
- Prevention of asthma symptoms
- Management of exercise-induced bronchoconstriction
- Relief from seasonal allergic rhinitis (hay fever)
- Relief from perennial allergic rhinitis
How Montelukast Works
Montelukast works by blocking leukotrienes, which are chemicals in the body that cause inflammation and constriction of airways. This helps to prevent asthma attacks and allergic reactions.
By inhibiting these substances, Montelukast helps to reduce swelling and inflammation in the airways, making it easier to breathe.
This action helps to control symptoms such as wheezing, coughing, and shortness of breath.
Common side effects of Montelukast
Not everyone experiences side effects from Montelukast, and many side effects are mild and temporary.
- Headache
- Stomach pain
- Diarrhea
- Upper respiratory infection
- Fever
- Cough
- Sore throat
If you experience serious or persistent symptoms, contact your healthcare provider.
CONTENT DETAILS
Written By
Douglas C. Goldberg, MD
Reviewed By
Philip Schein, MD
Last updated
28 Nov 2025 | 03:00 PM (UTC)
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Expert advice for Montelukast
- Take Montelukast as advised by your healthcare provider.
- Inform your doctor about any other medications you are taking to avoid interactions.
- Do not use Montelukast to treat an acute asthma attack.
- Avoid alcohol if it worsens your symptoms.
- Report any mood changes or unusual symptoms to your doctor.
Always consult your healthcare provider for personalized advice and guidance.
Frequently Asked Questions
What is Montelukast used for?
Montelukast is used to prevent asthma symptoms and to relieve symptoms of allergies such as sneezing and runny nose.
How does Montelukast work?
Montelukast works by blocking leukotrienes, which are chemicals that cause inflammation in the airways, helping to reduce symptoms of asthma and allergies.
Can Montelukast be used during an asthma attack?
No, Montelukast is not suitable for treating an acute asthma attack. It is used for prevention and long-term management.
Are there any common side effects of Montelukast?
Common side effects may include headache, stomach pain, and upper respiratory infections, but not everyone experiences them.
Can I take Montelukast with other medications?
You should inform your doctor about all medications you are taking to avoid potential interactions. Always follow your doctor’s advice.