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an agent used as a remedy for flatulence, and also used to prevent foaming in gastroscopy.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.

simethicone (simeticone (UK))

Dentinox Colic Drops (UK), Equalizer Gas Relief, GasAid, Gas-X, Gas-X Extra Strength, Genasyme, Infacol (CA) (UK), Infantaire Gas, Maximum Strength Mylanta Gas, Mylanta Gas, Mylicon, Mylicon Infant Drops, Ovol (CA), Phazyme, Wind-Eze (UK)

Pharmacologic class: Methylated linear siloxane mixture

Therapeutic class: Antiflatulent, antifoam agent

Pregnancy risk category NR


Causes gas bubbles to coalesce and allows gas to pass through GI tract via belching or passing of flatus. Silicone antifoam spreads on surface of aqueous liquids, forming a film of low surface tension that causes foam bubbles to collapse.


Capsules: 95 mg, 125 mg

Capsules (liquid-filled): 125 mg, 166 mg

Drops: 40 mg/0.6 ml, 40 mg/1 ml, 95 mg/1.425 ml

Suspension: 40 mg/0.6 ml, 50 mg/5 ml

Tablets: 60 mg, 62.5 mg, 80 mg, 95 mg

Tablets (chewable): 40 mg, 80 mg, 125 mg, 150 mg, 166 mg

Indications and dosages

Excess gas in GI tract after surgery or from air swallowing, dyspepsia, peptic ulcer, or diverticulitis

Adults and children older than age 12: 40 to 125 mg P.O. q.i.d. after meals and at bedtime, up to 500 mg/day

Children ages 2 to 12: 40 mg P.O. q.i.d., up to 240 mg/day

Children younger than age 2: 20 mg P.O. q.i.d.


• Hypersensitivity to drug

• Intestinal perforation or obstruction


Use cautiously in:

• abdominal pain of unknown cause (especially when accompanied by fever).


• Give as needed after meals and at bedtime.

Adverse reactions

None significant


None significant

Patient monitoring

• Monitor GI status to assess drug efficacy.

Patient teaching

• Tell patient to take after meals and at bedtime as needed.

• Caution patient not to take dose higher than indicated on package unless prescriber approves.

McGraw-Hill Nurse's Drug Handbook, 7th Ed. Copyright © 2013 by The McGraw-Hill Companies, Inc. All rights reserved


A mixture of dimethyl polysiloxanes and silica gel; an antiflatulent.
Farlex Partner Medical Dictionary © Farlex 2012


A mixture of methyl siloxane polymers and silica gel, used an antiflatulent drug and as an antifoaming agent in cosmetics and industrial applications.
The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.


A mixture of dimethyl polysiloxanes and silica gel; an antiflatulent.
Medical Dictionary for the Health Professions and Nursing © Farlex 2012


A silicone-based material with antifoaming properties used in the treatment of flatulence and often incorporated into antacid remedies.
Collins Dictionary of Medicine © Robert M. Youngson 2004, 2005
References in periodicals archive ?
1 antacid providing fast relief, we were incredibly excited with TUMS Chewy Bites with Gas Relief and continue to spread the word about heartburn and gas relief and on-demand delivery."
Beginning in 1985, the government of the state of Madhya Pradesh laid plans to build a "gas relief' system, which was a set of hospitals where the gas-exposed could get free medical treatment in perpetuity.
By eliminating the gas relief valve in the Model 105, several small parts that are prone to breakage or being lost when the gun is field-stripped were also eliminated.
The evaporators also have an external heater to provide uniform heat distribution, preventing hot spots and minimizing the possibility of liquid being heated in excess of 180 degrees F, causing pressure build-up that could trigger gas relief.
My company manufactures application systems for Wipf, SIG and Goglio Luigi gas relief valves.
PuraCap's roster of O-T-C products includes ibuprofen, acetaminophen, naproxen and such national brand equivalent health care solutions as stool softeners, sleep aids and products for gas relief, allergy relief, pain relief and upper respiratory relief.
The company's roster of O-T-C products includes ibuprofen, acetaminophen and such health care solutions as stool softeners, gas relief, allergy relief, pain relief, upper respiratory pain relief and sleep aids.
Hanna (2014) reports that in 2012 the gas relief hospitals in Bhopal still had not established their networked electronic system for tracking patient visits.
The minister-in-charge for the Bhopal Gas Relief and Rehabilitation Department, Babulal Gaur Yadav, said the incinerator would be decided only after the laboratory test of toxic waste.
Meanwhile, Babulal Gaur, Minister for Gas Relief and Rehabilitation, said that the labourers who were injured during the clean-up had not been adequately trained in the work.
line of liquid external analgesics as well as the CharcoCaps brand of activated charcoal products for gas relief.