What is Gas-X Extra Strength: Uses, Warnings & Interactions

Updated Jan 12, 2021  •  Published Dec 30, 2020

Gas-X Extra Strength overview

BRAND NAMES:

  • Anti-Gas Ultra Strength, Bicarsim, Bicarsim Forte, Gas Relief, Gas-X, Gas-X Extra Strength, Gas-X Thin Strips Extra Strength, Gas-X Ultra Strength, Good Neighbor Pharmacy Anti-Gas, Good Neighbor Pharmacy Gas Relief, Good Neighbor Pharmacy Infant Gas Relief, Good Sense Gas Relief, Good Sense Infants' Simethicone Drops, Health Mart Gas Relief, Infants' Gas Relief

Generic Names:

  • Simethicone

Uses:

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

Therapeutic Classes:

  • Antiflatulent, Diagnostic Agent, Endoscopy Adjunct

Forms:

  • Capsule, Tablet, Thin Sheet, Chewable Tablet, Liquid

How it’s taken:

  • By mouth

What form(s) does Gas-X Extra Strength come in

  • Capsule

  • Tablet

  • Thin Sheet

  • Chewable Tablet

  • Liquid

What are common Gas-X Extra Strength doses?

  • Box 18 Strip

  • Box 10 Capsules

  • Box 18 Tablets Chewable

  • Box 20 Capsules

  • Box 48 Tablets Chewable

  • Box 50 Capsules

  • Box 72 Capsules

Common Gas-X Extra Strength prescriptions

  • Gas-X Extra Strength
    48 tablets chewable bottle

  • Gas-X Extra Strength
    10 capsules box

  • Gas-X Extra Strength
    120 capsules box

  • Gas-X Extra Strength
    18 strip box

  • Gas-X Extra Strength
    18 tablets chewable box

  • Gas-X Extra Strength
    20 capsules box

  • Gas-X Extra Strength
    30 strip box

  • Gas-X Extra Strength
    48 tablets chewable box

  • Gas-X Extra Strength
    50 capsules box

  • Gas-X Extra Strength
    72 capsules box

How to take Gas-X Extra Strength

  • 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.

  • Shake the oral liquid well just before each use. Measure the medicine with a marked measuring spoon or medicine cup.

  • 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.

What to do if you miss a dose of Gas-X Extra Strength

  • You should not use two doses at the same time.

  • 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.

Gas-X Extra Strength contraindications

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

Gas-X Extra Strength warnings

  • 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.

  • 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.

  • If you are pregnant or breastfeeding, talk to your doctor before taking this medicine.

Gas-X Extra Strength interactions

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

  • 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.

Gas-X Extra Strength side effects

Serious Side Effects

  • Mild diarrhea

  • Heartburn

Less Serious Side Effects

  • Heartburn

  • Mild diarrhea