Simethicone
GAS-X
What it isNonabsorbed silicone antifoaming agent that coalesces gas bubbles; symptomatic bloating and flatulence.
Why this oneBecause it stays in the gut, systemic toxicity and drug interactions are negligible.
What limits itDiscontinue if symptoms do not improve; evidence is weak, and it changes bubble dispersion rather than gas production.
FDA-approved for
- flatulence / gas
FDA label
Read the full label on DailyMed ↗
| FDA dosing | Population | Start | Target | Max |
|---|---|---|---|---|
| Gas / bloating relief | Adults | 1-2 tablets PRN after meals & QHS | 4 tablets/24 h |
Renal Undefined
Hepatic Undefined
Instructions
- Chew tablets completely; do not swallow whole
- Do not exceed 4 tablets in 24 h except under physician supervision
Pregnancy Undefined
Lactation Undefined
NO BOXED WARNINGS
Principal riskLittle; not absorbed
Classes and tags
Clinical profile
Mechanism of action: Simethicone ballicule
