simethicone, Phazyme, Mi-Acid, Gas Relief, Mytab Gas, Gas-X, Gas-X Extra Strength

  • Pharmacy Author:
    Omudhome Ogbru, PharmD

    Dr. Ogbru received his Doctorate in Pharmacy from the University of the Pacific School of Pharmacy in 1995. He completed a Pharmacy Practice Residency at the University of Arizona/University Medical Center in 1996. He was a Professor of Pharmacy Practice and a Regional Clerkship Coordinator for the University of the Pacific School of Pharmacy from 1996-99.

  • Medical and Pharmacy Editor: Jay W. Marks, MD
    Jay W. Marks, MD

    Jay W. Marks, MD

    Jay W. Marks, MD, is a board-certified internist and gastroenterologist. He graduated from Yale University School of Medicine and trained in internal medicine and gastroenterology at UCLA/Cedars-Sinai Medical Center in Los Angeles.

What is simethicone, and how does it work (mechanism of action)?

Simethicone is an anti-gas (anti-flatulence) medication. It acts in the stomach and intestines to change the surface tension of gas bubbles, enabling their breakdown and the formation of larger bubbles. In this way it is believed that gas can be eliminated more easily by belching or passing flatus. Simethicone was approved by the FDA in 1952.

Is simethicone available as a generic drug?

GENERIC AVAILABLE: Yes

Do I need a prescription for simethicone?

No

What are the uses for simethicone?

Simethicone relieves abdominal pain due to excessive gas in the digestive tract. It also is given to patients undergoing upper abdominal ultrasound imaging.

What are the side effects of simethicone?

Common side effects may include:

Medically Reviewed by a Doctor on 8/1/2016

Quick GuideDigestive Disorders: Common Misconceptions

Digestive Disorders: Common Misconceptions
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