By Medically reviewed by hellodoktor

Generic Name: Loperamide Brand Name(s): Generics only. No brands available.

Know the basics

What is loperamide used for?

Loperamide (Imodium®) is commonly used for:

  • Treating diarrhea;
  • Treating dehydration and electrolyte;
  • Treating symptoms of diarrhea granted without complications in adults or reducing the volume of waste after the procedure frees the ileum or colon.

How should I take loperamide?

For orally taken form, you should:

  • Take loperamide by mouth as directed by your doctor concerning: dose, schedule;
  • Read the label carefully before using loperamide;
  • Consult your doctor for any information on the label that you do not clearly understand.

How do I store loperamide?

Loperamide is best stored at room temperature away from direct light and moisture. To prevent drug damage, you should not store loperamide in the bathroom or the freezer. There may be different brands of loperamide 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 loperamide 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.

Know the precautions & warnings

What should I know before using loperamide?

Before using loperamide, tell your doctor if you have:

  • Allergic reaction to any other medicines, foods, dyes, preservatives, or animals;
  • Pediatric;
  • Geriatric;
  • Used any other health conditions, drugs that have a risk of interaction with loperamide.

Is it safe during pregnancy or breastfeeding?

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

Know the side effects

What side effects can occur from loperamide?

As taking others medicines, taking loperamide can cause some side effects. Most of them are rarely occurring and do not need any supplementary treatment. However, it is always important for you to consult your doctor if you have any problem after taking this medicine.

Some of the side effects are listed below:

  • Constipation, abdominal pain, nausea, vomiting;
  • Fatigue, dizziness, headache;
  • Bloating, dry mouth, vomiting;
  • Intestinal obstruction due to paralysis;
  • Allergic.

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.

Know the interactions

What drugs may interact with loperamide?

Loperamide 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 loperamide?

Loperamide 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 loperamide?

Loperamide 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, such as:

  • Severe colitis, pseudomembranous colitis (colon can cause to toxicity);
  • Dysentery syndrome;
  • Abdominal distention;
  • Liver function or ulcerative colitis.

Understand the dosage

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

What is the dose of loperamide for an adult?

Consult your doctor for information about the dose of loperamide hydrochloride.  Recommended doses in some cases are listed below:

  • Diarrhea Range: 4 mg initially, then, take 2 mg, up to 5 days. Usual dose: 6-8 mg / day. Maximum dose: 16 mg / day.
  • Chronic diarrhea: take 4 mg, then take 2 mg until the symptoms are reduced. Maintenance dose is 4-8 mg / day divided into smaller doses (2 times). Maximum: 16 mg / day.

What is the dose of loperamide for a child?

Consult your doctor for information about the dose of loperamide hydrochloride. Recommended doses in some cases are listed below:

For diarrhea routinely granted, loperamide is not recommended for children.

For normal diarrhea:

  • Children under 6 years: not recommended.
  • Children aged 6-12 years: take from 0.08 to 0.24 mg / kg / day divided into 2 or 3 doses.
  • children aged 6-8 years: take 2 mg, 2 times daily.
  • children aged 8-12 years: take 2 mg, 3 times a day. Maintenance dose: take 1 mg / 10 kg body weight, drinking only after the first bowel.

For chronic diarrhea:

The dose has not been determined.

How is loperamide available?

Loperamide is available in the following dosage forms and strengths:

  • Capsules, tablets, as hydrochloride 2 mg.
  • Form hydrochloride oral solution 1 mg / 5 ml (60 ml, 90 ml, 120 ml).

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

In case of an emergency or an overdose, call your local emergency services (115) or go to your nearest emergency room.

What should I do if I miss a dose?

If you miss a dose of loperamide, 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: September 22, 2016 | Last Modified: September 13, 2019