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Related terms
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    Related terms
    • Brand Names: U.S.: Equalizer Gas Relief [OTC];Gas Free Extra Strength [OTC];Gas Relief Ultra Strength [OTC];Gas-X® Children's Tongue TwistersT [OTC];Gas-X® Extra Strength [OTC];Gas-X® Maximum Strength [OTC];Gas-X® Thin StripsT [OTC];Gas-X® [OTC];Gax-X® Infant [OTC];Infantaire Gas [OTC];Infants Gas Relief Drops [OTC] [DSC];Little Tummys® Gas Relief [OTC];Mi-Acid Gas Relief [OTC];Mylanta® Gas Maximum Strength [OTC];Mylicon® Infants' [OTC];Mytab Gas Maximum [OTC];Mytab Gas [OTC];Phazyme® Ultra Strength [OTC]
    • Brand Names: Canada: Ovol®;PhazymeT

    • It is used to ease too much gas in the GI (gastrointestinal) tract.
    • Simethicone eases the pressure caused by gas.


    How to take

    • Take after meals and at bedtime.
    • Chewable tablet:
    • Chew or crush tablet well. Mix crushed tablet with food. Do not swallow tablet whole.
    • Oral strip:
    • Place oral strip on your tongue and let melt.
    • Liquid:
    • Shake well before use.
    • Liquid (drops) may be mixed with water.
    • Those who have feeding tubes may also use the liquid. Flush the feeding tube before and after this drug is given.

    Missed Dose

    • Take a missed dose as soon as you think about it.
    • If it is close to the time for your next dose, skip the missed dose and go back to your normal time.
    • Do not take 2 doses at the same time or extra doses.
    • Many times this drug is taken on an as needed basis.


    • Store at room temperature.
    • Protect capsules and tablets from water. Do not store in a bathroom or kitchen.



    • If you have an allergy to simethicone or any other part of this drug.
    • Tell your doctor if you are allergic to any drugs. Make sure to tell about the allergy and what signs you had. This includes telling about rash; hives; itching; shortness of breath; wheezing; cough; swelling of face, lips, tongue, or throat; or any other signs.


    • Check all drugs you are taking with your doctor. This drug may not mix well with some other drugs.
    • Keep a list of all your drugs (prescription, natural products, vitamins, OTC) with you. Give this list to your doctor.
    • Tell your doctor if you are pregnant or plan on getting pregnant.
    • Tell your doctor if you are breast-feeding.

    Contact a healthcare provider

    • If you think there was an overdose, call your local poison control center or ER right away.
    • Signs of a very bad reaction to the drug. These include wheezing; chest tightness; fever; itching; bad cough; blue or gray skin color; seizures; or swelling of face, lips, tongue, or throat.
    • Any rash.
    • Side effect or health problem is not better or you are feeling worse.

    General Statements

    • If you have a very bad allergy, wear an allergy ID at all times.
    • Do not share your drugs with others and do not take anyone else's drugs.
    • Keep all drugs out of the reach of children and pets.
    • Most drugs may be thrown away in household trash after mixing with coffee grounds or kitty litter and sealing in a plastic bag.
    • In Canada, take any unused drugs to the pharmacy. Also, visit to learn about the right way to get rid of unused drugs.
    • Keep a list of all your drugs (prescription, natural products, vitamins, OTC) with you. Give this list to your doctor.
    • Call your doctor for help with any side effects. If in the U.S., you may also call the FDA at 1-800-FDA-1088 or if in Canada, you may also call Health Canada's Vigilance Program at 1-866-234-2345.
    • Talk with the doctor before starting any new drug, including OTC, natural products, or vitamins.

    Author information
    • Copyright © 1978-2013 Lexi-Comp Inc. All rights reserved.

    Copyright © 2011 Natural Standard (

    The information in this monograph is intended for informational purposes only, and is meant to help users better understand health concerns. Information is based on review of scientific research data, historical practice patterns, and clinical experience. This information should not be interpreted as specific medical advice. Users should consult with a qualified healthcare provider for specific questions regarding therapies, diagnosis and/or health conditions, prior to making therapeutic decisions.

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