Antifoaming agent
- Surfactant lowers surface tension of gas bubbles in gut lumen
- Coalesces small bubbles into larger ones that are easier to pass
- Acts purely physically
- Not absorbed
Drugs with this mechanism (1)
- Simethicone — OTC anti-foaming agent for gas; not absorbed.
Self-check
- How does antifoam action make intestinal gas easier to pass?
Coalesces small bubbles into larger ones. - Is the antifoam agent described here absorbed?
No.
All mechanisms · Open Antifoaming agent in the interactive console ↗