| Manufacturer | Cathay YSS |
| Distributor | Cathay YSS |
| Contents | Montelukast Na |
| Indications | Management of chronic asthma & allergic rhinitis; prophylaxis for exercise-induced asthma. |
| Dosage | Adult 10 mg. Childn 6-14 yr 5 mg, 2-5 yr 4 mg. All doses to be taken once daily in the evening. |
| Administration | May be taken with or without food. |
| Contraindications | Hypersensitivity. |
| Special Precautions | Systemic eosinophilia may occur. Avoid abrupt substitution to inhaled or oral corticosteroids. Concomitant use w/ NSAIDs in patients w/ known aspirin sensitivity. Not for treatment of acute asthma attacks. Pregnancy & lactation. |
| Side Effects / Adverse Reactions | Headache, dizziness; abdominal pain, dyspepsia, infectious gastroenteritis; influenza, cough, nasal congestion; fatigue, dental pain, rash, fever, trauma.
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| Drug Interactions | Potent hepatic enzyme inducers eg phenytoin, phenobarb or rifampicin. |
| Pregnancy Category (US FDA) | Category B: Either animal-reproduction studies have not demonstrated a foetal risk but there are no controlled studies in pregnant women or animal-reproduction studies have shown an adverse effect (other than a decrease in fertility) that was not confirmed in controlled studies in women in the 1sttrimester (and there is no evidence of a risk in later trimesters). |
| Therapeutic Class | Antiasthmatic & COPD Preparations |
| ATC Classification | R03DC03 – montelukast ; Belongs to the class of leukotriene receptor antagonists. Used in the systemic treatment of obstructive airway diseases. |
| Regulatory Classification | Rx |
