Montelukast is used in asthma prevention, exercise-induced asthma and allergic rhinitis symptoms.Montelukast works by blocking the action of leukotriene, a chemical messenger. This reduces inflammation in the airways to prevent asthma and relieve symptoms of allergies.
The most common side effects of this drug are dizziness, heartburn, tiredness, difficulty breathing or swallowing, itching, rash, flu-like symptoms
Hypersensitivity to Montelukast / Theophylline is a contraindication. In addition, Montelukast / Theophylline should not be taken if you have the following conditions: Hypersensitivity Lactation Pregnancy