warnings

What is the most important information I should know about Simethicone (Gas-X)?

You should not use simethicone if you are allergic to it.

Ask a doctor or pharmacist if it is safe for you to take this medicine if you are allergic to any drugs, or if you have any type of serious illness (especially one that affects your stomach or intestines).

Ask a doctor before using this medicine if you are pregnant or breastfeeding.

The liquid form may contain phenylalanine. Talk to your doctor before using this form of simethicone if you have phenylketonuria (PKU).

Dosage Guidelines & Tips

How to take Simethicone (Gas-X)?

Use Simethicone (Gas-X) exactly as directed on the label, or as prescribed by your doctor. Do not use in larger or smaller amounts or for longer than recommended.

Use exactly as directed on the label, or as prescribed by your doctor.

Do not take more of this medicine than directed.

Simethicone works best if you take it after meals and at bedtime.

You must chew the chewable tablet before you swallow it.

Measure liquid medicine carefully. Use the dosing syringe provided, or use a medicine dose-measuring device (not a kitchen spoon).

Simethicone liquid drops can be mixed with water, baby formula, or other liquids to make swallowing easier for an infant or child.

Always follow directions on the medicine label about giving simethicone to a child. Call your doctor if the child's gas symptoms do not improve after treatment with simethicone.

You may need to follow a special diet or increase your exercise while using simethicone. Follow all instructions of your doctor or dietitian. Learn about the foods to eat or avoid to help control your condition.

Store at room temperature away from moisture, heat, and light. Do not allow the liquid form of this medicine to freeze.

What should I do if I missed a dose of Simethicone (Gas-X)?

Since simethicone is used when needed, you may not be on a dosing schedule. Skip any missed dose if it's almost time for your next dose. Do not use two doses at one time.