Is the active ingredient in medications containing this drug formulation. specific formulations may contain additional inactive ingredients (excipients) that vary depending on the brand and dosage form (e.g., tablets, chewable tablets, granules).
Prevention and treatment of asthma in adults and children.
Prevention of exerciseinduced bronchoconstriction (EIB) in adults and children.
Treatment of allergic rhinitis (hay fever) symptoms, such as sneezing, runny nose, and itchy nose in adults and children.
Lasma 4mg Tab (Montelukast) is a leukotriene receptor antagonist (LTRA). Leukotrienes are inflammatory substances in the body that contribute to asthma and allergy symptoms. Montelukast works by blocking the action of leukotrienes, reducing inflammation and improving lung function.
Store at room temperature, away from moisture and heat. Keep out of reach of children. Discard any medication past its expiration date.
Dosage varies depending on the patient's age, weight, and condition. Always follow the prescription instructions from your doctor.
Montelukast is typically administered once daily, usually in the evening. For some formulations, different timings might be recommended.
Chewable tablets should be chewed before swallowing. Granules may be mixed with food or given directly.
Rare but serious: Allergic reactions (anaphylaxis), suicidal thoughts (though causality isn't fully established).
Headache
Nausea
Diarrhea
Dizziness
Fever
Cough
Rash
The interaction between alcohol and Montelukast is not well-documented, but it is generally advised to avoid excessive alcohol consumption.
Montelukast may cause dizziness or drowsiness in some individuals. Avoid driving or operating machinery until you know how the medication affects you.
Consult your doctor before using Montelukast if you are pregnant, breastfeeding, or planning to become pregnant. The potential benefits must outweigh any risks.
Dosage adjustments are necessary for children based on their age and weight.
Generally, dose adjustments are not needed for patients with mild to moderate kidney disease. Patients with severe kidney disease should be monitored closely.
Patients with liver disease should be monitored closely. Dose adjustment might be needed in severe cases.
Your physician or pharmacist
The prescribing information (package insert) included with your medication
Reputable medical websites (e.g., Mayo Clinic, MedlinePlus)
