Skip to main content


How Imodium works


IMODIUM® active ingredient
How to take IMODIUM®
You must see a doctor if

IMODIUM® can relief diarrhea already after the 1st use*.

IMODIUM® can relief the main symptoms of diarrhea:

  • normalizing absorption of salts and water in the bowel;
  • normalizing peristalsis (muscle contractions) of the bowel;
  • decreasing fluids discharge in the intestinal lumen.

Loperamide is the IMODIUM® active ingredient

Loperamide in IMODIUM® can act one hour after since taken. The maximum effect can be achieved within 4-6 hours. IMODIUM® can be taken by adults and children over 6 years of age.

The active ingredient of the medicine (Loperamide) is easily eliminated from the bowel, fully absorbed by the liver, and excreted with the bile. On average, the elimination half-life is 9-14 hours.

Loperamide is the active ingredient of IMODIUM®

How to take IMODIUM®

Acute diarrhea

Starting dose: 2 tablets (4 mg) for adults and 1 tablet (2 mg) for children. Then, take 1 tablet (2 mg) after each loose stool.

Chronic diarrhea

Starting dose: 2 tablets (4 mg) daily for adults and 1 tablet (2 mg) for children. Then, this dose is usually individually adjusted so that the frequency of stool is 1-2 times daily, which is usually achieved with the maintenance dose of 1-6 tablets (2 mg to 12 mg) daily.

In chronic and acute diarrhea, the maximum allowable dose for adults is 8 tablets (16 mg) daily. For diarrhea in children, the maximum daily dose is calculated based on body weight (3 tablets per 20 kg body weight; up to 8 tablets (16 mg)).

Stop taking the medicine if your stool becomes normal or in absence of stool for more than 12 h.

You must see a doctor if:

  • there is no improvement after 2-3 days of treatment;
  • diarrhea occurs in a very small child or in an elderly patient;
  • body temperature increases to 38°С;
  • psychosomatic or allergic reactions occur after administration of anti-diarrheal drugs;
  • the stomach pain is chronic;
  • there is a constant urge to vomit and increased sputum production with traces of blood (this may be a sign of internal bleeding). Urgent medical care is required for patients who have black feces, which may also be a sign of internal bleeding;
  • the body is significantly dehydrated, which is indicated by such symptoms as fatigue, bad breath, paleness of lips and skin, and sunken cheeks and eyes.


*According to instruction for use