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Simethicone

For the relief of pressure and bloating commonly referred to as gas.

Checked against the official label · Updated

Sold without prescription in some countries Oral Safety alerts on record

How to use Simethicone

What the official label says. If a doctor prescribed it, follow the prescription. Your pack's leaflet comes first if it is different.

Who it is for

For the relief of pressure and bloating commonly referred to as gas

How to take it and how often
  • Adults: swallow with water 1 or 2 softgels as needed after meals and at bedtime
  • Do not exceed 2 softgels in 24 hours except under the advice and supervision of a physician
Warnings

If pregnant or breast-feeding, ask a health professional before use. Keep out of reach of children.

Pregnancy and breastfeeding

If pregnant or breast-feeding, ask a health professional before use.

How to store it

Store between 15-30°C (59-86°F) protect from heat and moisture

If you miss a dose

Take it when you remember, unless it is nearly time for the next dose. Then skip the missed one. Never take two doses at once to make up for it. Check your leaflet, as some medicines are different.

From the official U.S. FDA label for this active ingredient. Your pack may have a different strength, so always read its leaflet. If a doctor prescribed it, follow the prescription. Ask a pharmacist if you are unsure. Label dated 2024-06-26.

Registered products

United States (FDA)

Aluminum Hydroxide, Magnesium Hydroxide And SimethiconeALUMINUM HYDROXIDE 1200 mg/30mL, MAGNESIUM HYDROXIDE 1200 mg/30mL, DIMETHICONE 120 mg/30mL · Suspension · Everpharm LLC
NDC 84415-017Label
Up And Up Extra Strength Gas Relief Chewables Extra Strength Extra StrengthDIMETHICONE, UNSPECIFIED 125 mg/1 · Tablet, Chewable · Target Corporation
NDC 11673-610Label
Premier Value Extra Strength Extra StrengthDIMETHICONE, UNSPECIFIED 125 mg/1 · Tablet, Chewable · PHARMACY VALUE ALLIANCE, LLC
NDC 68016-811Label
Loperamide Hydrochloride And SimethiconeLOPERAMIDE HYDROCHLORIDE 2 mg/1, DIMETHICONE 125 mg/1 · Tablet · NORTHEAST PHARMA
NDC 80136-384Label
Foster And Thrive Infants Gas ReliefDIMETHICONE 20 mg/.3mL · Solution/ Drops · Strategic Sourcing Services LLC
NDC 70677-1078Label

Nigeria (NAFDAC)

NAFDACVismag Suspension_ A11-100901NAFDACNazaneen Suspension_ B4-7311NAFDACNazaneen Suspension_ B4-7311NAFDACDr. Meyer’s Gelacid Suspension_ 04-2744

Other countries: check your pack's registration number and we point you to your regulator.

Safety alerts and recalls

Gas-X Extra Strength, SIMETHICONE 125 mg/ANTIGAS, packaged in a) 120 SoftGels (UPC 3 00674 35041 9, b) 72 SoftGels (UPC 3 00439 00572 1), Distributed by: Haleon, Warren, NJ 07059.U.S. FDA Class I
4 Jun 2026 · Haleon US Holdings LLC · OngoingChemical Contamination: contamination with a diluted propylene glycol-based coolant from a machine leakage during the packaging process.
Gas-X, Simethicone 125 mg/ ANTIGAS, 120 SoftGels, Distributed by: Haleon, Warren, NJ 07059, UPC: 3 00674 35041 9.U.S. FDA Class II
11 May 2026 · Haleon US Holdings LLC · OngoingLabeling: Not Elsewhere Classified- Incomplete inactive ingredient information on the carton labeling.
INON ACE Antacid tablets (magnesium aluminosilicate, magnesium hydroxide and simethicone), 75-count bottle, Manufactured by: Sato Pharmaceutical Co., Ltd., NDC 49873-402-01U.S. FDA Class II
19 Dec 2025 · Sato Pharmaceutical Co., Ltd · OngoingFailed Disintegration Specifications: above the time expected.
Simethicone 20 mg per 0.3 mL Oral Syringe, Delivers: 0.3 mL, Oral Drops, Mfg By: Rugby, Pkg by: Safecor Health, LLC, Columbus, OH 43204, NDC: 00536130375.U.S. FDA Class II
17 Feb 2025 · Safecor Health, LLC · OngoingDefective Delivery System: Leakage observed after oral solution was repackaged into unit-dose syringes.

A recall usually affects certain batches only. Compare the lot number on your pack.

Check your pack of Simethicone

Type the registration number on the pack, or scan it with your camera.

Or take photos of the pack
3 free checks left today Official sources: U.S. FDA · EMA (EU) · Health Canada · WHO alerts

Questions about Simethicone

What is Simethicone used for?

For the relief of pressure and bloating commonly referred to as gas (From the official U.S. FDA label.)

How do I take Simethicone?

Follow your prescription or the leaflet in your pack. The official label says: adults: swallow with water 1 or 2 softgels as needed after meals and at bedtime do not exceed 2 softgels in 24 hours except under the advice and supervision of a physician…

Do I need a prescription for Simethicone?

In many countries Simethicone is sold without a prescription in some strengths. Rules differ by country, so ask a pharmacist.

What brands contain Simethicone?

Simethicone is sold under names such as Milantex, Bicarsim, Ri-mag Plus, Inon Ace Tablet, Imodium Multi-symptom Relief, Maalox Plus, Phazyme Gas & Acid, Mylicon Children's. Brand names differ between countries.

Can I take Simethicone when pregnant or breastfeeding?

If pregnant or breast-feeding, ask a health professional before use. Ask your doctor or midwife first.

How should I store Simethicone?

store between 15-30°C (59-86°F) protect from heat and moisture

How can I check that my Simethicone is genuine?

Scan the registration number on your pack with PillVera (NAFDAC number in Nigeria, NDC in the United States, DIN in Canada), check the expiry date and buy only from licensed pharmacies.

Sources

This page shows what official sources say, in plain words. It is not medical advice: your prescription and your doctor or pharmacist come first. Brand names, strengths and rules differ between countries.