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Important Note

The following information is intended to supplement, not substitute for, the expertise and judgment of your physician, pharmacist or other healthcare professional. It should not be construed to indicate that use of the drug is safe, appropriate, or effective for you. Consult your healthcare professional before using this drug.



COMMON BRAND NAME(S): Gas Relief, Mylanta Gas, Phazyme


Simethicone helps break up gas bubbles in the digestive tract. This medication is used to relieve symptoms of excess gas. It has also been used in the management of infant colic.

How To Use

Take this medication by mouth as prescribed usually after meals and at bedtime. Chewable tablets must be chewed thoroughly before swallowing to be most effective.

Side Effects

This medication is generally well tolerated when used as directed. There are no reports of any side effects due to this medication. However, if you experience any adverse effects while taking this medication, notify your doctor.


Tell your doctor if you have: other illnesses, allergies (especially drug allergies). Tell your doctor if you are pregnant before using this medication. It is not known if simethicone passes into breast milk. Though there have been no reports (to date) of harm to nursing infants, consult your doctor before using this medication.

Drug Interactions

Tell your doctor of any over-the-counter or prescription medication you may take including any antacids or digestive medication since some combination products may also contain simethicone. Do not start or stop any medicine without doctor or pharmacist approval.


If overdose is suspected, contact your local poison control center or emergency room immediately.


If you experience problems with gas, limit foods known to cause gas and bloating such as beans, cabbage, broccoli and peanuts. Ask your doctor or a dietician for help in reviewing your diet.

Missed Dose

If you miss a dose, take it as soon as remembered; do not take it if it is near the time for the next dose, instead, skip the missed dose and resume your usual dosing schedule. Do not "double-up" the dose to catch up.


Store at room temperature between 59 and 86 degrees F (15 to 30 degrees C) away from heat and light. Do not store in the bathroom.