Montelukast + Levocetirizine is contraindicated in patients with an allergy to either or both drugs, hepatic impairment, NSAID allergy, Churg-Strauss syndrome.

Montelukast + Levocetirizine is contraindicated in children less than six months of age.

Montelukast + Levocetirizine can cause dizziness. Do not drive vehicles or operate heavy machineries that need alertness.

Montelukast + Levocetirizine may interact with phenytoin, CNS depressants, rifampicin, prednisone and phenobarbital.

Do not consume alcohol while taking Montelukast + Levocetirizine

For treatment of allergic rhinitis and chronic asthma (Adults):
Consider administration of 10 mg once a day in the evening.
For Prophylaxis of exercise-induced asthma (Adults):
Consider administration of 10 mg of Montelukast + Levocetirizine, at least two hours before exercise.

USFDA pregnancy category B. Montelukast + Levocetirizine may not cause harm to an unborn foetus. Before Montelukast treatment, the patient should discuss with the physician, if they are planning for a pregnancy.

It is unclear whether the drug could pass through the breast milk to a breast feeding baby. Consult your physician before taking Montelukast + Levocetirizine, if you are nursing mother.