Gas-X Extra Strength Coupons & Prices

Simethicone

Gas-X Extra Strength is a Antiflatulents class drug manufactured by Haleon Us Services. The normal retail price of Gas-X Extra Strength is $14.93 per 1, 48 tablets chewable box, but you can pay only $8.19 for 4, 125mg tablet chewables of generic Gas-X Extra Strength when you use your SingleCare card. Gas-X Extra Strength is a trademarked medication; Simethicone is the generic form of Gas-X Extra Strength.

Set your location
Get alerted when the price
changes more than 10%
Match your prescription details

20 capsule125mgEdit

Unlock your Member Bonus savings.

You have 0.00 in available bonus savings. Bonus savings will be automatically applied to your next eligible prescription fill.

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

Show this free card to your pharmacist.

Coupon card loading
Gas-X Extra Strength coupon at Kroger Pharmacy
$12.35
$ 9.35
$3 off with signupwith signup

Save an extra $3 on any eligible prescription! Sign up for free

Members can save even more
and it's free to join

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 Publix Pharmacy
$14.64
$ 11.64
$3 off with signupwith signup
Gas-X Extra Strength coupon at Walgreens Pharmacy
$18.93
$ 15.93
$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: 01/14/2026

Unlock your Member Bonus savings.

Create your free account to access even greater savings.

Save big on your prescriptions
with the free SingleCare app.
4.8 average rating
About Gas-X Extra Strength

Gas-X Extra Strength is a Antiflatulents class drug manufactured by Haleon Us Services. The normal retail price of Gas-X Extra Strength is $14.93 per 1, 48 tablets chewable box, but you can pay only $8.19 for 4, 125mg tablet chewables of generic Gas-X Extra Strength when you use your SingleCare card. Gas-X Extra Strength is a trademarked medication; Simethicone is the generic form 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, tablet chewable, 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, tablet chewable, 125mg
PharmacyGas-X Extra Strength Retail PriceSimethicone Retail PriceSimethicone SingleCare Price
Walmart-$4.00$4.00
Walgreens$1.48$12.00$2.64
Kroger Pharmacy-$6.00$6.00
Albertsons Pharmacy-$4.00$4.00

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 drug manufactured by Haleon Us Services. The normal retail price of Gas-X Extra Strength is $14.93 per 1, 48 tablets chewable box, but you can pay only $8.19 for 4, 125mg tablet chewables of generic Gas-X Extra Strength when you use your SingleCare card. Gas-X Extra Strength is a trademarked medication; Simethicone is the generic form of Gas-X Extra Strength.

Gas-X Extra Strength FAQs

How much is Gas-X Extra Strength with SingleCare?

Generic Gas-X Extra Strength costs $8.19 for 4, 125mg tablet chewables with a free Gas-X Extra Strength coupon from SingleCare. But, you could lower this cost more depending on your Rx details. Use the dropdown menu above to update your prescription details (i.e., brand/generic, quantity, form, dosage) to get the most accurate prices of Gas-X Extra Strength with SingleCare at your local pharmacies.

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

The typical out-of-pocket cost of Gas-X Extra Strength without health insurance is $14.93 per 1, 48 tablets chewable box though you can get a discount using a SingleCare Gas-X Extra Strength coupon to pay just $8.19 for 4, 125mg tablet chewables of generic Gas-X Extra Strength. People without access to health insurance can always use SingleCare for free Gas-X Extra Strength offers. You can also save on Gas-X Extra Strength by getting the generic version of Gas-X Extra Strength if a generic option is on the market, Simethicone, which typically costs dramatically less than Gas-X Extra Strength. 

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

Each specific insurance plan has different details and may or may not cover Gas-X Extra Strength. The cost of Gas-X Extra Strength with insurance coverage varies depending on your plan - reach out to your insurance company for explicit formulary coverage and payment guidance. If your plan does not cover Gas-X Extra Strength, you can use SingleCare to save on Gas-X Extra Strength at your neighborhood pharmacy. In addition, you can also use SingleCare discounts if you have Medicare or Medicaid. In the event that Medicare or Medicaid doesn’t cover your Gas-X Extra Strength fill, you can use SingleCare instead. Go to the SingleCare website or app to review the lowest cost of Gas-X Extra Strength with SingleCare versus your Gas-X Extra Strength price with insurance or Medicare.

How to use SingleCare for Gas-X Extra Strength

SingleCare is accepted at most national pharmacies and grocery stores, such as Walgreens, Kroger, Walmart, CVS, Safeway, and more. Just text, email, print, or save your free Gas-X Extra Strength coupon to your mobile wallet and show a pharmacist when you pick up your prescription. 

What is the generic of Gas-X Extra Strength?

Gas-X Extra Strength is a trademarked prescription created by Haleon Us Services. The generic version of Gas-X Extra Strength is Simethicone and is much less expensive than the retail price of Gas-X Extra Strength, which is $14.93 per 1, 48 tablets chewable box, but has the same ingredients as Gas-X Extra Strength. Use a SingleCare savings card to pay $8.19 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:

Subscribe to our savings newsletter

Health education, drug info, wellness & more

By clicking 'Subscribe', I agree to SingleCare's Terms & Conditions.