Side Effects of Rizatriptan to Report
There are a number of less common, but more serious, side effects with
rizatriptan that you should report to your healthcare provider. These include but are not limited to:
- Severe chest pain or tightness (see Maxalt and Heart Problems)
- Shortness of breath
- Sudden, severe abdominal pain (or stomach pain)
- Bloody diarrhea
- Changes in vision, including loss of vision
- Dizziness, lightheadedness, or fainting
- Signs of an allergic reaction, including unexplained skin rashes, itching, hives, wheezing or shortness of breath, and unexplained swelling.
Taking rizatriptan with certain
antidepressants can increase your risk of developing a dangerous group of symptoms called serotonin syndrome. Contact your healthcare provider immediately if you have the following symptoms of serotonin syndrome:
- Confusion
- Seeing or hearing things that are not really there (hallucinations)
- A fast heartbeat (tachycardia)
- Fainting
- A fever
- Sweating
- Muscle spasms
- Difficulty walking
- Diarrhea.
Rare Side Effects of Rizatriptan
There are other possible rizatriptan side effects that can occur. In previous studies, these rare side effects happened in 1 percent or less of patients taking rizatriptan. It is difficult to tell whether these side effects are because of rizatriptan or something else.
These rare side effects of rizatriptan include but are not limited to:
- Warm or cold sensations
- Sensation of a rapidly or forcefully beating heart (palpitations)
- Diarrhea or vomiting
- Shakiness (tremors)
- Flushing (redness of skin, especially the face)
- Hot flashes.
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