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Gas Relief & Simethicone Guide

Feeling bloated, overly full or uncomfortable? Compare simethicone strengths and formats, understand Gas-X® alternatives and find an option that fits your household.

80 mg, 125 mg & 180 mgSoftgels & chewablesFree U.S. shipping
The short answer

What is simethicone used for?

Simethicone is an anti-gas ingredient used to relieve pressure, bloating, fullness and discomfort commonly referred to as gas. Products come in different strengths and formats, so the best starting point is the Drug Facts on the exact package—not simply the largest milligram number.

Same focused ingredientMany Gas-X® products and generic alternatives use simethicone.
Several strengthsCommon options include 80 mg, 125 mg and 180 mg.
Different formatsChoose from swallowable softgels or chewable tablets.

How simethicone helps with gas

Gas can collect as many small bubbles in the digestive tract. Simethicone helps those bubbles combine so trapped gas and pressure can pass more easily. It is designed for the symptoms of gas; it does not treat every possible cause of ongoing bloating or abdominal discomfort.

Compare simethicone strengths and formats

OptionWhat shoppers should knowGood fit for
Simethicone 80 mgOften available as a chewable tablet. Directions and maximum amounts vary by product.Shoppers who prefer a chewable format.
Simethicone 125 mgCommonly described as extra strength and sold as softgels or chewables. This is the strength used in Extra Strength Gas-X® and WELMATE softgels.Extra-strength relief in a familiar format.
Simethicone 180 mgOften described as ultra strength. It has different package directions from lower-strength products.Shoppers whose selected Drug Facts and preferences match this option.
Loperamide + simethiconeA combination product for diarrhea accompanied by gas symptoms. It contains an additional active ingredient and additional warnings.Only when both diarrhea and gas symptoms are present and the label is appropriate.
Higher strength does not automatically mean “better.” Compare the amount per dose, dosage form, age directions and maximum daily amount on each package. Never substitute strengths based only on the front-label milligram number.

Gas-X® compared with generic simethicone

Gas-X® is a national brand that offers simethicone in several strengths and formats. A generic alternative may contain the same active ingredient and strength, but inactive ingredients, form, count and directions can differ. For the closest comparison, place the two Drug Facts panels side by side.

Frequently asked questions

Is simethicone the same as Gas-X?

Simethicone is the active ingredient used in many Gas-X products. Gas-X is a brand name, while simethicone is the ingredient. Check the specific strength, format and Drug Facts because the Gas-X product line includes more than one option.

What is the generic equivalent of Extra Strength Gas-X?

A generic product containing simethicone 125 mg in a comparable form may be compared with Extra Strength Gas-X. WELMATE Gas Relief contains simethicone 125 mg per softgel. Compare the complete labels before choosing.

Does simethicone help diarrhea?

Simethicone alone is an anti-gas medicine, not an antidiarrheal. Some multi-symptom products combine simethicone with loperamide when diarrhea occurs with gas, pressure or bloating.

Are softgels or chewable tablets better?

Neither format is universally better. Softgels are swallowed, while chewables must be chewed as directed. Choose the strength and form that fit your preferences and follow that product’s label.

When should ongoing gas be checked by a professional?

Talk with a healthcare professional when gas or bloating is severe, persistent, suddenly different or accompanied by significant pain, vomiting, bloody stool, unexplained weight loss or another concerning symptom.

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