By Medically reviewed by hellodoktor

Generic Name: Gascon Brand Name(s): Gascon.


What is gascon (dimethylpolysiloxane) used for?

Gascon is commonly used for:

  • Improvement of abdominal symptoms due to gas in the gastrointestinal tract.
  • Elimination of foamy mucus in the stomach prior to gastric endoscopy.
  • Elimination of gas in the intestine prior to abdominal x-ray examination.

How should I take gascon (dimethylpolysiloxane)?

Take gascon by mouth as directed by your doctor concerning: dose, schedule.

Read the label carefully before using gascon.

Consult your doctor for any information on the label that you do not clearly understand.

How do I store gascon (dimethylpolysiloxane)?

Gascon is best stored at room temperature away from direct light and moisture. To prevent drug damage, you should not store gascon in the bathroom or the freezer. There may be different brands of gascon that may have different storage needs. It is important to always check the product package for instructions on storage, or ask your pharmacist. For safety, you should keep all medicines away from children and pets.

You should not flush gascon down the toilet or pour them into a drain unless instructed to do so. It is important to properly discard this product when it is expired or no longer needed. Consult your pharmacist for more details about how to safely discard your product.

Precautions & warnings

What should I know before using gascon (dimethylpolysiloxane)?

Before using gascon, tell your doctor if you have:

  • You are pregnant or breastfeeding. This is because, while you are expecting or feeding a baby, you should only take medicines on the recommendation of a doctor.
  • You are taking any other medicines. This includes any medicines you are taking which are available to buy without a prescription, such as herbal and complementary medicines.
  • You have allergy with any of active or inactive ingredients of gascon or other medications.
  • You have any other illnesses, disorders, or medical conditions.

Is it safe during pregnancy or breastfeeding?

There isn’t enough information about the safety of using gascon during pregnancy and breastfeeding. Please always consult with your doctor to weigh the potential benefits and risks before taking gascon.

Side effects

What side effects can occur from Gascon (dimethylpolysiloxane)?

Some of side effects are listed below:

  • Gastric discomfort
  • Diarrhea
  • Stomachache

Not everyone experiences these side effects. There may be some side effects not listed above. If you have any concerns about a side-effect, please consult your doctor or pharmacist.


What drugs may interact with Gascon (dimethylpolysiloxane)?

Gascon may interact with other drugs that you are currently taking, which can change how your drug works or increase your risk for serious side effects. To avoid any potential drug interactions, you should keep a list of all the drugs you are using (including prescription drugs, nonprescription drugs and herbal products) and share it with your doctor and pharmacist. For your safety, do not start, stop, or change the dosage of any drugs without your doctor’s approval.

Does food or alcohol interact with Gascon (dimethylpolysiloxane)?

Gascon may interact with food or alcohol by altering the way the drug works or increase the risk for serious side effects. Please discuss with your doctor or pharmacist any potential food or alcohol interactions before using this drug.

What health conditions may interact with Gascon (dimethylpolysiloxane)?

Gascon may interact with your health condition. This interaction may worsen your health condition or alter the way the drug works. It is important to always let your doctor and pharmacist know all the health conditions you currently have.


The information provided is not a substitute for any medical advice. You should ALWAYS consult with your doctor or pharmacist before using gascon (dimethylpolysiloxane).

What is the dose of gascon (dimethylpolysiloxane) for an adult?

Recommended doses for adults:

For improvement of abdominal symptoms due to gas in gastrointestinal tract 120-240 mg daily divided in 3 doses.

For elimination of foamy mucus in the stomach prior to gastric endoscopy: 40-80 mg w/ 10 mL water at 15-40 min prior to test.

For elimination of gas in the intestine prior to abdominal x-ray is 120-240 mg daily divided in 3 doses 3-4 days prior to test.

What is the dose of gascon (dimethylpolysiloxane) for a child?

The dosage has not been established in pediatric patients. It may be unsafe for your child. It is always important to fully understand the safety of the drug before using. Please consult with your doctor or pharmacist for more information.

How is gascon (dimethylpolysiloxane) available?

Gascon is available in the following dosage forms and strengths:

  • Tablets; Oral; Dimethicone 40 mg

What should I do in case of an emergency or overdose?

In case of an emergency or an overdose, call your local emergency services or go to your nearest emergency room.

What should I do if I miss a dose?

If you miss a dose of gascon, take it as soon as possible. However, if it is almost time for your next dose, skip the missed dose and take your regular dose as scheduled. Do not take a double dose.

Hello Health Group does not provide medical advice, diagnosis or treatment.

Review Date: August 4, 2017 | Last Modified: September 12, 2019

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