Singulair Oral

Singulair Oral Side Effects

Unusual weakness, stomach upset, diarrhea, dizziness, cough, headache, nausea, vomiting, trouble sleeping, or mouth pain may occur. If any of these effects persist or worsen, notify your doctor or pharmacist promptly.

Remember that your doctor has prescribed this medication because he or she has judged that the benefit to you is greater than the risk of side effects. Many people using this medication do not have serious side effects.

Tell your doctor immediately if any of these unlikely but serious side effects occur:

• fever
• persistent sore throat/earache
• flu symptoms

Tell your doctor immediately if any of these highly unlikely but very serious side effects occur:

• mental/mood changes (e.g., agitation, nervousness, depression, hallucinations, suicidal thoughts)
• stomach pain
• muscle aches/cramps
• irregular heartbeat
• dark urine
• yellowing eyes and skin
• numbness or tingling of the hands or feet
• dull sense of touch
• easy bruising or bleeding
• swelling
• seizures

An allergic reaction to this drug is unlikely, but seek immediate medical attention if it occurs. Symptoms of an allergic reaction include:

• rash
• itching/severe swelling (especially of the face/tongue/throat)
• severe dizziness
• trouble breathing

This is not a complete list of possible side effects. If you notice other effects not listed above, contact your doctor or pharmacist.

Call your doctor for medical advice about side effects. In the US, you may report side effects to the Food and Drug Administration (FDA) at 1-800-FDA-1088.

In Canada, you may report side effects to Health Canada at 1-866-234-2345.

Singulair Oral Medical Alert

Your condition can cause complications in a medical emergency. For enrollment information call MedicAlert at 1-800-854-1166 (USA), or 1-800-668-1507 (Canada).