The most common side effects reported by patients in clinical trials for Zomig Tablets and Zomig-ZMT Orally Disintegrating Tablets include tingling sensation; weakness; nausea; dizziness; pain, tightness, pressure or heaviness such as in the chest, throat, neck, or jaw; drowsiness; and warm sensation.
The most common side effects reported by patients in clinical trials for Zomig Nasal Spray include unusual taste; tingling sensation; skin sensitivity; dizziness; nausea; pain, pressure, and tightness sensations such as in the nose, throat, or chest; drowsiness; weakness; disorder/discomfort of nasal cavity; and dry mouth.
In very rare cases, patients taking Zomig may experience serious side effects such as heart attacks, increases in blood pressure, stroke, life-threatening disturbances of heart rhythm, constriction of blood vessels in the abdomen or other parts of the body, or serious allergic reactions. In extremely rare cases, patients have died from these side effects.
Call your doctor right away if you have any of the following problems after taking Zomig:
- Tightness, pain, pressure, or heaviness in your chest, throat, neck, or jaw that is severe or does not go away
- Shortness of breath or wheezing
- Bloody diarrhea or sudden or severe stomach pain
- Hives or tongue, mouth, lip, or throat swelling
- Problems seeing
- Slurring of speech
- Unusual weakness or numbness
Some people who take Zomig may have a reaction called serotonin syndrome, which can be life-threatening. In particular, this reaction may occur when Zomig is used together with certain types of antidepressants known as SSRIs or SNRIs. Symptoms may include mental changes (confusion, hallucinations, agitation, coma), fast heartbeat, changes in blood pressure, feeling faint, fever, sweating, muscle spasm, trouble walking, nausea, vomiting and/or diarrhea. Call your doctor immediately if you have any of these symptoms after taking Zomig.
This is not a complete list of side effects for Zomig. Read the full Prescribing Information and talk to your doctor if you develop any side effects.