Gas-X Extra Strength Coupons & Prices

Simethicone

Gas-X Extra Strength is a Antiflatulents class prescription produced by Haleon Us Services. The normal cash price of Gas-X Extra Strength is $11.78 per 1, 20 capsules box, but you can pay only $7.94 for 4, 125mg tablet chewables of generic Gas-X Extra Strength with a SingleCare prescription drug discount card. Gas-X Extra Strength is a trademark drug; Simethicone is the generic version of Gas-X Extra Strength.

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Gas-X Extra Strength coupon at Publix Pharmacy
$ 7.94

Show this free card to your pharmacist.

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Gas-X Extra Strength coupon at Food Lion Pharmacy
$ 8.19

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Gas-X Extra Strength coupon at Kroger Pharmacy
$12.35
$ 9.35
$3 off with signupwith signup
Gas-X Extra Strength coupon at Harris Teeter Pharmacy
$12.35
$ 9.35
$3 off with signupwith signup
Gas-X Extra Strength coupon at Costco Pharmacy
$ 10.19
Gas-X Extra Strength coupon at Walgreens Pharmacy
$18.92
$ 15.92
$3 off with signupwith signup

About SingleCare Pricing

SingleCare’s prescription prices are based on multiple sources. The prices we publish are our best estimate, but we cannot guarantee that the price we display will exactly match the price you receive at the pharmacy. For an exact price, please contact your pharmacy and provide the BIN/GRP/PCN numbers shown on your SingleCare card.

Any SingleCare bonus savings, including the $3 signup bonus, may only be used once.

Prices updated: 12/20/2025

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About Gas-X Extra Strength

Gas-X Extra Strength is a Antiflatulents class prescription produced by Haleon Us Services. The normal cash price of Gas-X Extra Strength is $11.78 per 1, 20 capsules box, but you can pay only $7.94 for 4, 125mg tablet chewables of generic Gas-X Extra Strength with a SingleCare prescription drug discount card. Gas-X Extra Strength is a trademark drug; Simethicone is the generic version of Gas-X Extra Strength.

Gas-X Extra Strength Price History & Information

Price History for Gas-X Extra Strength (Trademark Generic) & Simethicone (Generic)

4 count, capsule, 125mg

Our price history metrics are calculated from aggregate prescription data that we receive from all participating pharmacies. This chart updates daily to show new price fluctuations. If a data point is missing from the chart, it is because we do not have enough data to produce a reliable figure.

Average 1-Month Prices for Gas-X Extra Strength (Trademark Generic) & Simethicone (Generic)

4 count, capsule, 125mg
PharmacyGas-X Extra Strength Retail PriceSimethicone Retail PriceSimethicone SingleCare Price
Walmart-$0.44$0.44
Walgreens$1.68--
Kroger Pharmacy-$0.40$0.36

These prices are based on the last month of SingleCare prescription fill data by major pharmacy. This table updates daily to show the most accurate typical prices by pharmacies. If a data point is missing from the table, it is because we do not have enough data to produce a reliable figure.

About Gas-X Extra Strength

Gas-X Extra Strength is a Antiflatulents class prescription produced by Haleon Us Services. The normal cash price of Gas-X Extra Strength is $11.78 per 1, 20 capsules box, but you can pay only $7.94 for 4, 125mg tablet chewables of generic Gas-X Extra Strength with a SingleCare prescription drug discount card. Gas-X Extra Strength is a trademark drug; Simethicone is the generic version of Gas-X Extra Strength.

Gas-X Extra Strength FAQs

How much is Gas-X Extra Strength with SingleCare?

The generic version of Gas-X Extra Strength costs $7.94 for 4, 125mg tablet chewables with a free Gas-X Extra Strength coupon from SingleCare. However, you could pay less depending on your prescription details. Use the dropdown menu above to update your prescription details (i.e., brand/generic, form, dosage, quantity) to see the most accurate prices of Gas-X Extra Strength with SingleCare at a pharmacy near you.

How much does Gas-X Extra Strength cost without insurance?

The standard retail price of Gas-X Extra Strength without health insurance is $11.78 per 1, 20 capsules box though you can get a discount using a SingleCare Gas-X Extra Strength coupon to pay only $7.94 for 4, 125mg tablet chewables of generic Gas-X Extra Strength. If you don’t have health insurance can always use SingleCare for free Gas-X Extra Strength discounts. You can also save on Gas-X Extra Strength by asking for the generic version of Gas-X Extra Strength if a generic version is on the market, Simethicone, which often costs much less than Gas-X Extra Strength. 

How much does Gas-X Extra Strength cost with insurance?

Every insurance program is different and may or may not cover Gas-X Extra Strength. The cost of Gas-X Extra Strength with insurance coverage differs according to your plan - reach out to your insurance provider for specific formulary coverage and coinsurance specifics. If your insurance does not include Gas-X Extra Strength, you can use a SingleCare card to get discounts on Gas-X Extra Strength at your your local drug stores. In addition, you can also use SingleCare coupons if you have Medicare or Medicaid. In the event that Medicare or Medicaid doesn’t cover your Gas-X Extra Strength prescription, you can use SingleCare instead. Visit the SingleCare website or app to compare the lowest cost of Gas-X Extra Strength with SingleCare versus your Gas-X Extra Strength cost with insurance or Medicare.

How to use SingleCare for Gas-X Extra Strength

You can use SingleCare coupons at most national pharmacies and grocery stores, including Walgreens, Kroger, Walmart, CVS, Safeway, and more. You can text, email, print, or save your free Gas-X Extra Strength coupon to your mobile wallet and show your pharmacist at checkout. 

What is the generic of Gas-X Extra Strength?

Gas-X Extra Strength is a trademarked drug created by Haleon Us Services. The generic variant of Gas-X Extra Strength is Simethicone and is significantly less expensive than the retail price of Gas-X Extra Strength, which is $11.78 per 1, 20 capsules box, but is made up of the same ingredients as Gas-X Extra Strength. Use a SingleCare coupon to pay $7.94 for 4, 125mg tablet chewables of generic Gas-X Extra Strength.

Where are Gas-X Extra Strength coupons from SingleCare accepted?

SingleCare is accepted at most national pharmacies and grocers, including the following:

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