Advertisement

What are the side effects of Singulair (montelukast)?

A number of side effects may occur when using Singulair (montelukast). Contact your doctor if any of the following side effects are particularly severe: lightheadedness, heartburn, fatigue, stomach pain or headaches.

If you experience any of the following symptoms, contact your doctor immediately: rash, fever, hives, numbness, painful or swollen sinuses, flu-like symptoms, itching, hoarseness, breathing problems or swelling in any area of the body, such as the face, legs or hands.

Although far less common, Singulair may also cause certain mental health changes, such as strange dreams, hallucinations, anxiety or suicidal thoughts. Discuss such symptoms with your doctor immediately.

Continue Learning about Antiasthma

What should I know before using ipratropium nasal spray?
Donna Hill Howes, RNDonna Hill Howes, RN
If you have bladder neck obstruction, enlarged prostate (BPH), or narrow-angle glaucoma, ipratropium...
More Answers
Does omalizumab have any side effects?
Donna Hill Howes, RNDonna Hill Howes, RN
Side effects may include injection site reactions, upper respiratory tract and sinus infections, hea...
More Answers
How effective is ipratropium nasal spray?
Donna Hill Howes, RNDonna Hill Howes, RN
Ipratropium reduces the severity and duration of a runny nose. But it has no effect on other symptom...
More Answers
Does ipratropium nasal spray have any side effects?
Donna Hill Howes, RNDonna Hill Howes, RN
Side effects may include headaches, nosebleeds, a stuffy nose, and a dry nose, mouth, or throat.  T...
More Answers

Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.