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Simethicone (By mouth)

Simethicone (sye-METH-i-kone)

Treats pain and pressure of excess gas in the stomach and intestines.

Brand Name(s):

Anti-Gas Ultra Strength, Bicarsim, Bicarsim Forte, Gas Relief, Gas Relief Drops, Gas-X, Gas-X Extra Strength, Gas-X Thin Strips Extra Strength, Gas-X Ultra Strength, Genasyme, Good Neighbor Pharmacy Gas Relief, Good Sense Gas Relief, Good Sense Infants' Simethicone Drops, Infantaire Gas Drops, Infants' Gas Relief

There may be other brand names for this medicine.

When This Medicine Should Not Be Used:

You should not use simethicone if you have ever had an allergic reaction to it.

How to Use This Medicine:

Capsule, Tablet, Thin Sheet, Chewable Tablet, Liquid

  • Your doctor will tell you how much to take and how often. Always follow dosing instructions on the label when taking this medicine without your doctor's advice.
  • This medicine works best if you take it after meals and at bedtime.
  • Chew the chewable tablet before swallowing.
  • Shake the oral liquid well just before each use. Measure the medicine with a marked measuring spoon or medicine cup.

If a dose is missed:

  • Take the missed dose as soon as possible.
  • If it is almost time for your next regular dose, wait until then to take the medicine and skip the missed dose.
  • You should not use two doses at the same time.

How to Store and Dispose of This Medicine:

  • Store at room temperature away from heat, direct light, and moisture. Do not freeze the oral liquid.
  • Keep all medicine out of the reach of children.

Drugs and Foods to Avoid:

Ask your doctor or pharmacist before using any other medicine, including over-the-counter medicines, vitamins, and herbal products.

  • Avoid drinking soda or soft drinks, or eating foods that may cause an increase in stomach gas.

Warnings While Using This Medicine:

  • If you are pregnant or breastfeeding, talk to your doctor before taking this medicine.
  • You should not use more of this medicine in a 24-hour period than your doctor orders, or more than the dose listed on the medicine label directions.
  • Talk to your doctor if you have problems with gas often. There may be a serious but treatable cause.
  • No severe side effects have been reported with the use of simethicone.

Possible Side Effects While Using This Medicine:

If you notice these less serious side effects, talk with your doctor:

  • Mild diarrhea
  • Heartburn

If you notice other side effects that you think are caused by this medicine, tell your doctor

Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088


Last Updated: 7/4/2014


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