Product image of Imodium Instant Smelttablet (Loperamide Hydrochloride) supplied by GNH India

Imodium Instant Smelttablet

Active Ingredient:
Loperamide Hydrochloride
Origin:
EU

Imodium Instant Smelttablet (Loperamide Hydrochloride)

Loperamide, the active ingredient in Imodium Instant Smelttablet, is an antidiarrheal presented as an oral disintegrating tablet for oral use. It treats acute nonspecific diarrhea and chronic diarrhea associated with inflammatory bowel disease in adults.

GNH India supplies Imodium Instant Smelttablet as a licensed, GDP-compliant international pharmaceutical supplier serving hospitals, pharmacies and clinics worldwide.

Manufacturer / TM Owner

Kenvue Netherlands B.V.

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Indications & Clinical Uses

  • Imodium Instant Smelttablet contains loperamide, an antidiarrheal that acts on the gastrointestinal tract to reduce stool frequency and improve consistency.
  • Acute nonspecific diarrhea: reduces stool output and restores normal consistency.
  • Chronic diarrhea associated with inflammatory bowel disease: helps control symptoms and decrease urgency.
  • Travelers' diarrhea: provides symptomatic relief by slowing intestinal transit.

How It Works

  • Loperamide is an opioid receptor agonist that binds preferentially to µ‑opioid receptors in the myenteric plexus of the gut. Activation reduces acetylcholine release, leading to decreased intestinal smooth‑muscle motility, prolonged transit time, and increased absorption of water and electrolytes, thereby firming stools.

Side Effects

Loperamide is generally well tolerated, but adverse reactions can occur.

Common Side Effects

  • Constipation
  • Abdominal cramping
  • Nausea
  • Dizziness

Serious or Rare Side Effects

  • Severe constipation leading to bowel obstruction
  • Toxic megacolon
  • Allergic reactions such as rash or facial swelling
  • Cardiac arrhythmias, including QT prolongation

Precautions & Warnings

  • Use Imodium Instant Smelttablet with caution and follow prescriber guidance.
  • Do not use in patients with known hypersensitivity to loperamide.
  • Avoid use in active bacterial enterocolitis or pseudomembranous colitis.
  • Use cautiously in patients with hepatic impairment.
  • Do not exceed the recommended dose; adhere to prescriber instructions.
  • Store at ambient temperature: keep in the original pack, protect from moisture.

Avoid Interactions

Loperamide may interact with other medicines; some combinations require avoidance, others close monitoring.

Major Interactions (Avoid)

  • Concomitant potent CYP3A4 inhibitors (e.g., ketoconazole) may raise loperamide levels.
  • Use with other antidiarrheals (e.g., diphenoxylate) can cause additive constipation.
  • Co‑administration with opioids that affect gut motility increases risk of severe constipation.

Moderate Interactions (Monitor Closely)

  • Quinidine may alter cardiac conduction when combined with loperamide.
  • Drugs that prolong QT interval (e.g., macrolide antibiotics) may increase arrhythmia risk.
  • Anticholinergic agents may enhance dry‑mouth effects.
  • Certain antifungal agents may modestly increase plasma concentrations.

Frequently Asked Questions

Imodium Instant Smelttablet contains loperamide, an antidiarrheal agent used to relieve symptoms of acute nonspecific diarrhea, chronic diarrhea related to inflammatory bowel disease, and traveler’s diarrhea by slowing intestinal movement and allowing more water absorption.

Loperamide acts as an agonist at µ‑opioid receptors in the intestinal wall. This reduces the release of acetylcholine, slows smooth‑muscle contractions, prolongs transit time, and enhances water and electrolyte absorption, resulting in firmer stools and fewer bowel movements.

The appropriate dose of Imodium Instant Smelttablet is determined by a qualified healthcare professional based on the patient’s condition, age, and response. Patients should follow the prescriber’s instructions and not exceed the recommended amount.

Safety data for loperamide in pregnancy and lactation are limited. Healthcare providers usually weigh the potential benefits against possible risks before prescribing. Women who are pregnant or breastfeeding should discuss use with their physician.

To place an order, submit an enquiry on the product page at gnhindia.com, specifying the required quantity. GNH India works with hospitals, pharmacies, and procurement teams worldwide, verifies trade or institutional credentials, and then provides pricing, availability, shipping details, and any necessary import documentation.

Loperamide is a peripheral µ‑opioid receptor agonist that does not cross the blood‑brain barrier significantly, offering antidiarrheal efficacy with minimal central opioid effects. Compared with diphenoxylate‑atropine, loperamide has a lower risk of central sedation and does not contain an anticholinergic component.

Store the tablets at ambient temperature, preferably below 25 °C. Keep them in the original packaging, protect from moisture and direct sunlight, and ensure the container is tightly closed to maintain tablet integrity.

The tablet is an oral disintegrating formulation that dissolves rapidly on the tongue without water. Patients should place the tablet on the tongue and allow it to dissolve completely before swallowing any residual saliva.

Serious risks include severe constipation that can lead to bowel obstruction, toxic megacolon, and rare cardiac events such as QT‑interval prolongation. Patients should seek immediate medical attention if they experience abdominal pain, vomiting, or signs of cardiac irregularities.

Individuals with known hypersensitivity to loperamide, active bacterial enterocolitis, pseudomembranous colitis, or those taking certain CYP3A4 inhibitors should avoid the product. It is also contraindicated in patients with severe hepatic impairment unless specifically directed by a physician.

Published by

GNH India Pharmaceuticals Limited

Licensed pharmaceutical supplier

Last updated:

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