Montelukast Sodium USP 10 mg Tablet (Montelukast (Montelukast Sodium)

Montelukast is a leukotriene receptor antagonist used to prevent asthma symptoms, treat exercise-induced bronchoconstriction, and relieve allergic rhinitis in adults and teenagers 15 years and older. This 10mg tablet is available over the counter and is registered by NAFDAC.

What it is

A leukotriene receptor antagonist – a type of medicine that blocks natural substances in the body that cause airway inflammation, tightness, and allergy symptoms.

What it's used for

It is used for the long-term prevention and control of asthma in patients 15 years and older, to prevent asthma attacks triggered by exercise (exercise-induced bronchoconstriction), and to relieve symptoms of seasonal and year-round allergic rhinitis (such as sneezing, runny nose, and stuffy nose). It is reserved for people who cannot take or do not get enough relief from other allergy treatments.

Common side effects

Common side effects include upper respiratory infection, fever, headache, sore throat, cough, stomach pain, diarrhoea, ear infection, flu-like symptoms, runny nose, and sinusitis. Some people may experience mood or behaviour changes – tell your doctor if you notice unusual agitation, depression, or changes in sleep or actions.

Important cautions

Do not take montelukast if you are allergic to any of its ingredients. It is not meant to treat an acute asthma attack – always keep your rescue inhaler with you. Do not suddenly stop or replace your inhaled or oral corticosteroid medicines without your doctor’s advice. If you are sensitive to aspirin, continue to avoid aspirin and non‑steroidal anti‑inflammatory drugs (NSAIDs) while taking this medicine.

Frequently asked questions

What is montelukast used for?

Montelukast is used to prevent asthma symptoms, prevent asthma attacks triggered by exercise, and relieve symptoms of seasonal and perennial allergic rhinitis (hay fever) in people 15 years and older.

What are the side effects of montelukast?

Common side effects include upper respiratory infection, fever, headache, sore throat, cough, abdominal pain, diarrhoea, ear infection, flu symptoms, runny nose, and sinusitis. Rare but serious neuropsychiatric events (such as agitation, depression, or suicidal thoughts) have been reported. Report any concerning symptoms to your doctor.

How is montelukast taken?

It is taken as a 10mg tablet by mouth. For asthma, take one tablet in the evening. For exercise-induced bronchoconstriction, take one tablet at least 2 hours before exercise. For allergic rhinitis, take one tablet once daily. Always follow your doctor’s instructions.

Can I buy montelukast without a prescription in Nigeria?

Yes, this product is available over the counter and does not require a prescription. However, it is best to speak with a pharmacist or doctor before starting any new medicine.

This information is for general guidance only and is not medical advice. Please consult your physician or pharmacist before using any medication.