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What Are the Dangers of Singulair?

Singulair is a drug used primarily to treat asthma and may also treat a runny nose caused by allergies. It has significant side effects and there are a number of conditions in which Singulair may be contraindicated.

  1. Conditions

    • A doctor will need to know about several medical conditions when deciding to prescribe Singulair. These include pregnancy, anticipated pregnancy, breastfeeding, allergies, liver problems and mental illness.

    Drug Interactions

    • A doctor will typically want to know about all medications that the patient is currently taking. Anticonvulsants such as Phenobarbital and Rifampin have significant interaction with Singulair and may interfere with its effectiveness.

    Safety

    • Patients who take Singulair shouldn't drive or perform similar hazardous tasks until they know they will respond to it. Singulair makes some patients drowsy.

    Common Side Effects

    • The most common side effects of Singulair include dizziness, fatigue, headaches and nausea. It can also cause a stuffy nose and difficulty in sleeping.

    Severe Side Effects

    • Singulair can cause severe side effects that require immediate medical attention. These include severe allergic reactions, breathing difficulty, irregular heartbeat and hallucinations.

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