Antiallergy (Leukotriene receptor antagonist + Antihistamine)
Last reviewed June 2026
Who is this for?
This drug combines two medicines — Montelukast, which reduces swelling and tightness in your airways, and Levocetirizine, which blocks the chemical (histamine) that causes allergic reactions like sneezing, itching, and runny nose.
Blocks cysteinyl leukotriene receptors (CysLT1) to inhibit bronchoconstriction and inflammatory cell infiltration in asthma and allergic pathways, while levocetirizine antagonizes H1 histamine receptors to reduce itching, vasodilation, and allergic inflammatory responses.
Prescription Required
You need a doctor's prescription to buy this drug.
Explore this drug
Take one tablet once daily in the evening, with or without food. Swallow the tablet whole with water. It is best to take it at the same time every day for the best results.
If you forget a dose, take it as soon as you remember. But if it is almost time for your next dose, skip the missed one and continue your normal schedule. Do not take two tablets at once to make up for it.
Only buy from licensed pharmacies — avoid roadside sellers or open market drugs, as fake versions are common in Nigeria. This medicine can make you drowsy, so be careful if you drive okada, keke, or any vehicle. Do not share this prescription with others even if they have similar symptoms.
Avoid drinking alcohol as it can increase drowsiness and dizziness when combined with this drug. Tell your doctor if you are taking phenobarbital or rifampicin, as they can reduce how well this medicine works. Be careful if you are using sleeping tablets or other antihistamines, as the drowsy effect can double up.
Check your specific combination
Is it safe to take Montelukast; with your other drugs?
Do not use this drug during pregnancy or breastfeeding unless your doctor specifically tells you it is safe — always consult your doctor first.
Store in a cool, dry place away from direct sunlight and heat — Nigerian weather can be very hot, so avoid leaving it in your car or near windows. Keep it in its original pack and far from the reach of children.
For information only — not medical advice. Always talk to a doctor or pharmacist before changing your medication.
Names this drug is sold under — especially in Nigerian and West African pharmacies
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Counterfeit Drug Warning
Fake drugs are a serious problem in Nigeria. Always buy from a registered pharmacy. If the packaging looks different from what is described above, do not use it.