Loperamide Dosage, Side Effects, Warnings & Interactions

Loperamide Dosage, Side Effects, Warnings & Interactions

Loperamide is a prescription medication used to treat severe diarrhea. It can also be used to help decrease the amount of drainage in patients with ostomies. Loperamide is usually sold as the brand name drug Imodium. In this 3-minute article we discuss the uses, side effects, dosage, warnings, and interactions of loperamide.

What is Loperamide? 

Loperamide is a prescription medication sold as the brand name drug Imodium. It is used to treat severe diarrhea and decrease drainage in patients with ileostomies. 

Loperamide Brand Names 

Loperamide is usually sold under the brand name Imodium. There are also many generic brands of loperamide available as well. 

What is Loperamide Used For?

Loperamide can be used to treat severe diarrhea. It can help treat both short term diarrhea and irritable bowel syndrome. Loperamide can also be useful in mitigating symptoms of bowel conditions such as Crohn’s disease, ulcerative colitis, and short bowel syndrome. 

Loperamide Dosage

Loperamide is available as an oral tablet under the brand name Imodium and as an oral solution. The recommended dosage for loperamide can vary based on a variety of factors including:

  • Your age
  • Your weight
  • Your condition
  • Your response to your first dose

Loperamide Dosage for Acute Diarrhea

Initial dose: At first, 4 milligrams (mg) (2 capsules) after the first loose bowel movement, then 2 mg (1 capsule) after each loose bowel movement after the first dose has been taken. 

Maintenance dose: 2mg taken orally once a day. 

Loperamide Dosage for Chronic Diarrhea 

Initial dose: At first, 4 milligrams (mg) (2 capsules) after the first loose bowel movement, then 2 mg (1 capsule) after each loose bowel movement after the first dose has been taken. 

Maintenance dose: 2mg taken orally once a day. 

Loperamide Side Effects

Loperamide does have some associated side effects, some of which are more serious than others.

Common Side Effects 

Common side effects of loperamide include:

  • Constipation
  • Nausea
  • Dizziness
  • Stomach cramps

If these side effects are mild, they may disappear within a few days. If you have stopped taking your medication and the effects are still present, talk with your doctor or pharmacist.

Potential Serious Side Effects

Contact your doctor immediately if you experience any of the following serious side effects.

  • Severe constipation
  • Abdominal pain
  • Irregular heartbeat
  • Fainting
  • Severe dizziness 

Disclaimer: Here at Manifest Pharmacy, our goal is to provide you with the most relevant and current information.  However, because drugs affect each person differently, we cannot guarantee that this  information includes all possible side effects. This information is not a substitute for  medical advice. Always discuss possible side effects with a healthcare professional who  knows your medical history. 

Loperamide Warnings

Improper use of loperamide may cause serious harm, such as fast/irregular heartbeat or death. Do not increase your dose, take it more often, or take it for longer than directed without first consulting a medical professional. 

Loperamide should not be used by children younger than 2 years due to an increased risk of side effects such as shallow breathing and fast/irregular heartbeat. 

Loperamide Interactions

Contact your doctor right away if you are taking any products or medications that are known to cause constipation. Products that have been known to cause interactions with loperamide include:

  • Pramlintide
  • Anticholinergics 
  • Antispasmodics
  • Potent opioid pain medications 
  • Tricyclic antidepressants 

Loperamide Brand Names, Dosage, Side Effects, Warnings, and Interactions Summary

Loperamide is a prescription medication sold as a brand name drug and generic drug. Loperamide is available as the brand name drug Imodium. 

Loperamide is used to treat severe diarrhea and decrease drainage in patients with ostomies. It can also be useful in mitigating symptoms of bowel conditions such as Crohn’s disease, ulcerative colitis, and short bowel syndrome.

Loperamide

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