Rimegepant Side Effects

Medically reviewed by Philip Thornton, DipPharm. Last updated on Mar 17, 2025.

Applies to rimegepant: oral tablet disintegrating.

Serious side effects of rimegepant

Along with its needed effects, rimegepant may cause some unwanted effects. Although not all of these side effects may occur, if they do occur they may need medical attention.

Check with your doctor immediately if any of the following side effects occur while taking rimegepant:

Less common side effects

• acid or sour stomach
• belching
• heartburn
• indigestion
• nausea
• stomach discomfort, upset, or pain

Rare side effects

• difficulty in breathing or swallowing
• fever
• hives, rash
• reddening of the skin, especially around the ears
• swelling of the eyes, face, or inside of the nose
• unusual tiredness or weakness

For healthcare professionals

Applies to rimegepant: oral tablet disintegrating.

General adverse events

The most common adverse reaction was nausea for both acute use and preventive use.^[Ref]

Gastrointestinal

• Common (1% to 10%): Nausea, abdominal pain/dyspepsia^[Ref]

Abdominal pain/dyspepsia includes epigastric discomfort, gastro-esophageal reflux disease, abdominal tenderness, abdominal distention, and low and upper abdominal pain.^[Ref]

Genitourinary

• Common (1% to 10%): Urinary tract infection

Hypersensitivity

• Uncommon (0.1% to 1%): Hypersensitivity reactions (including dyspnea and severe rash)^[Ref]

Respiratory

• Common (1% to 10%): Nasopharyngitis, upper respiratory tract infection, sinusitis

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Further information

Rimegepant side effects can vary depending on the individual. Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.

Note: Medication side effects may be underreported. If you are experiencing side effects that are not listed, submit a report to the FDA by following this guide.

Medical Disclaimer