Gas-X Side Effects
Generic name: simethicone
Medically reviewed by Drugs.com. Last updated on Feb 29, 2024.
Note: This document provides detailed information about Gas-X Side Effects associated with simethicone. Some dosage forms listed on this page may not apply specifically to the brand name Gas-X.
Applies to simethicone: oral capsule liquid filled, oral solution, oral suspension, oral tablet, oral tablet chewable.
There have not been any common or important side effects reported with this medicine. However, if you notice any side effects, check with your doctor.
For healthcare professionals
Applies to simethicone: compounding liquid, compounding powder, oral capsule, oral disintegrating strip, oral liquid, oral suspension, oral tablet, oral tablet chewable.
Gastrointestinal adverse events
- Uncommon (0.1% to 1%): Constipation, nausea
- Rare (0.01% to 0.1%): Tongue edema[Ref]
Hypersensitivity
- Rare (0.01% to 0.1%): Face edema, hypersensitivity reactions[Ref]
Respiratory
- Rare (0.01% to 0.1%): Respiratory difficulty[Ref]
Dermatologic
References
1. (2001) "Product Information. Mylicon (simethicone)." Johnson and Johnson Medical Inc
2. (2003) "Product Information. Maalox Anti-Gas Extra Strength (simethicone)." Novartis Consumer Health
3. Cerner Multum, Inc. "UK Summary of Product Characteristics."
4. Cerner Multum, Inc. "Australian Product Information."
Frequently asked questions
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Further information
Gas-X 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.
