Espumisan: Presentation, Indications, Mechanism of Action, Dosage, Side Effects, Warnings, Contraindications and Interactions

It has a mild banana flavor; it does not contain alcohol, sugar, or lactose.

The foam is used in disorders of the gastrointestinal tract, which reduces the formation of foam in the contents of the digestive tract and is used as an alternative in diagnostic tests.

Formosan is an anti-colic emulsion that improves colic in babies since it reduces the surface tension of gas bubbles, does not affect digestion, and does not alter the degree of acidity in the stomach.

The active ingredient of espumisan

Formosan contains simethicone as an active ingredient.


A dose of 1 ml (25 drops) of oral drops of the emulsion contains 40 mg of simethicone.

The other ingredients are:

  • Macrogol stearate.
  • Glycerol monostearate.
  • Carbomer.
  • Artificial banana flavor.
  • Acesulfame potassium.
  • Liquid sorbitol (in crystallizer).
  • Sodium chloride.
  • Sodium citrate.
  • Sodium hydroxide.
  • Sorbic acid.
  • Purified water.

Indications of the foamisan

It can be used in all age groups, in:


  • The symptomatic treatment of gastrointestinal disorders is associated with excessive accumulation of gases, such as flatulence and infantile colic in babies older than one month.
  • In preparation for abdominal examinations, such as radiological and ultrasound examinations and gastroscopy, these drugs remove gas, air, and foam from the gastrointestinal tract before an endoscopic or radiological examination to improve visualization. And reduce gas shadows by improving visualization.
  • As a suds suppressant in poisoning with surfactants (detergents).
  • To relieve postoperative pain associated with excess gas in the stomach / gastrointestinal tract.
  • This drug relieves symptoms like belching, abdominal pain, bloating, stomach bloating, etc., related to functional gastric disorders in available gastric disease.

Mechanism of action

The active substance simethicone causes gas bubbles in food masses and gastrointestinal mucus to burst.

This allows the gases released in this way to be absorbed through the intestinal wall or eliminated from the gastrointestinal tract by peristaltic movements of the intestine.


This medicine should always be used according to the package insert or as directed by the doctor.

The dose can be measured using a dropper or a dosing pump.

EL foamisan can also be administered to patients in the postoperative period.

The espumisan can be taken during or after a meal, if necessary, before going to bed.

Treatment should be continued until symptoms disappear. If necessary, the foam can be administered over a long period.

In general, the recommended dose is:

  • In babies older than one month of age: 1 to 2 ml (25 to 50 drops), equivalent to 40 to 80 mg of simethicone, daily in divided doses of 2 times a day of 13 to 25 slides and four times a day 6 to 13 drops, with a total daily amount not exceeding 80 mg.
  • In children 1 to 6 years: 1 ml (25 drops), equivalent to 40 mg of simethicone, 3 to 5 times a day.
  • In children 6 to 14 years: 1 ml (25 drops) or 2 ml (50 drops or one dose from the dosing pump), corresponding to 40 to 80 mg of simethicone, 3 to 5 times a day.
  • In adolescents and adults: 2 ml (50 drops or one dose from a metering pump), equivalent to 80 mg of simethicone, 3 to 5 times a day.

In preparation for diagnostic tests of the ventral cavity, foam is an is used in the following doses:

Radiographic examination, ultrasound

You need 2 ml (50 drops or one dose from the dispensing pump) of the foamisan medicine three times a day the day before the test and 2 ml (50 drops or one quantity from the metering pump) of the foamisan mixture in the morning of the day of the trial, on an empty stomach.

As an excipient, co-administered with a contrast medium suspension.

For a dual contrast imaging study, 4 to 8 nil (100 to 200 drops or 2 to 4 doses per dosing pump) of foam is used for 1 liter of contrast liquid.

In preparing patients for endoscopic examination of the upper gastrointestinal tract (gastroscopy)

Before endoscopy, 4 to 8 ml (corresponding to 100 to 200 drops or 2 to 4 doses from the dosing pump).

If necessary, during the test, you can also pour a few ml of the emulsion through the endoscope’s instrument channel to reduce foaming in the digestive tract.

As an antidote to detergent (surfactant) poisoning

  • Dosage in adults: depending on the severity of the poisoning, use 10 to 20 ml (about 1/3 to 2/3 of the contents of the 30 ml bottle or 5 to 10 doses from the metering pump) of the Espumisan drug.
  • Dosage in children: depending on the severity of the poisoning, use from 2.5 to 10 ml (from 65 drops to about 1/3 of the contents of the 30 ml bottle or up to 5 doses from the metering pump) of the Espumisan drug.

Side effects of espumisan

The most common side effects are:

  • Loose stools
  • Diarrhea.
  • Nausea and vomiting
  • Constipation.
  • Dry mouth.
  • A cold.

Warnings and Contraindications

Formosan should not be used if you are allergic to simethicone or any other ingredients in this medicine.

Formosan contains sorbitol. If your doctor is intolerant to some sugars, contact your doctor before taking this medicine.

Avoid drinking carbonated beverages while using foamisan. The espumisan can be taken immediately before, during, or after eating, if necessary, before going to bed.

The foam administered in babies should be added to a bottle with milk and food or teaspoons before or after breastfeeding.

Before use during pregnancy and lactation, consult the doctor, and it should not be used in babies of 1 month of age.

Espumisan interactions

The interaction with alcohol is unknown, so it is advisable to consult your doctor before consumption.

The foam interacts with Levothyroxine and Liothyronine.