Montelukast
Generic Name: Montelukast Sodium
Seek Urgent Medical Attention If:
You experience severe allergic reaction symptoms (swelling of the face, lips, tongue, or throat causing difficulty breathing), severe rash with skin peeling, sudden intense chest pain, or symptoms of overdose. Call emergency medical services immediately.
Uses & Medical Indications
Prophylaxis and chronic treatment of asthma, allergic rhinitis
Asthma, Exercise-induced bronchoconstriction, Allergic Rhinitis
Dosage & Administration Guidelines
10 mg once daily in the evening
4 mg (2-5 yrs) or 5 mg (6-14 yrs) once daily
Same as adult
10 mg/day
No adjustment necessary
No adjustment for mild-moderate; unstudied in severe
Side Effects & Safety Warnings
Headache, abdominal pain, cough, flu-like symptoms
Neuropsychiatric events, Churg-Strauss syndrome
Hypersensitivity to montelukast
Boxed warning for serious neuropsychiatric events
Interactions (Drugs, Food & Alcohol)
Phenobarbital, rifampin may decrease levels
Take granules directly or mixed with specific soft foods
No significant interaction
Pregnancy & Breastfeeding Safety
Considered generally safe during pregnancy if needed
Excreted in human milk; use with caution
Patient Counseling & Practical Advice
Not for acute asthma attacks. Report mood/behavior changes.
Skip the missed dose and resume usual schedule.
Behavioral/mood changes, asthma control
Content for Montelukast was synthesized and fact-checked against standardized regulatory monographs, official pharmacopoeias, and national health authorities:
- Central Drugs Standard Control Organization (CDSCO) — National List of Essential Medicines
- World Health Organization (WHO) — Model List of Essential Medicines 23rd List
- Indian Pharmacopoeia Commission (IPC) — Indian Pharmacopoeia Drug Monographs
- National Health Service (NHS) — Medicines A to Z Clinical Guidelines
The information provided on this website is for educational purposes only and is not intended as a substitute for professional medical advice, diagnosis, or treatment. Always seek the advice of a qualified healthcare provider with any questions you may have regarding a medical condition.

