Product image of Imosec (Loperamide Hydrochloride) supplied by GNH India

Imosec

Active Ingredient:
Loperamide Hydrochloride
Origin:
EU

Imosec (Loperamide Hydrochloride)

Loperamide Hydrochloride, the active ingredient in Imosec, is an opioid antidiarrheal presented as an oral dosage form for oral use. It works by slowing intestinal transit and is indicated for the management of acute diarrhea, chronic diarrhea, and irritable bowel syndrome with diarrhea in adult patients.

GNH India supplies Imosec as a licensed, GDP‑compliant international pharmaceutical supplier serving hospitals, pharmacies and clinics worldwide. The product conforms to EU pharmacopeial standards and is distributed through regulated channels to ensure quality and safety, with a supply chain that supports rapid fulfillment for institutional and retail customers.

Manufacturer / TM Owner

Janssen-Cilag Pharma Gmbh

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Indications & Clinical Uses

Imosec (loperamide hydrochloride) acts on the gastrointestinal motility pathway to control excessive stool output.

  • Acute diarrhea: reduces stool frequency and improves consistency within hours.
  • Chronic diarrhea: provides sustained symptom control for long‑term management.
  • Irritable bowel syndrome with diarrhea (IBS‑D): alleviates bowel urgency and loose stools.

How It Works

  • Loperamide hydrochloride is a peripherally acting μ‑opioid receptor agonist that binds to receptors in the myenteric plexus of the intestinal wall. Activation of these receptors inhibits acetylcholine release, decreasing smooth‑muscle contractility and slowing intestinal transit. The resulting prolonged transit time allows greater water absorption, leading to firmer stools and reduced bowel movement frequency. Because it does not cross the blood‑brain barrier appreciably, central opioid effects are minimal.

Side Effects

Loperamide may cause a range of adverse reactions, most of which are mild and reversible.

Common Side Effects

  • Constipation
  • Abdominal cramps
  • Nausea
  • Dizziness
  • Dry mouth
  • Drowsiness

Serious or Rare Side Effects

  • Severe constipation or intestinal obstruction
  • Toxic megacolon
  • Allergic reactions such as rash, angioedema, or anaphylaxis
  • Cardiac arrhythmias (QT prolongation)
  • Urinary retention

Precautions & Warnings

When using Imosec, several safety considerations should be observed to minimize risk.

  • Infectious diarrhea: avoid use if diarrhea is caused by invasive bacteria or Clostridioides difficile, as slowing motility may worsen infection.
  • Hepatic impairment: use with caution and consider dose reduction in patients with severe liver disease.
  • Children under 2 years: not recommended for use in this age group.
  • Concomitant use with other antidiarrheal agents: avoid combining with additional agents that reduce gut motility.
  • Pregnancy Category B: generally considered safe, but discuss with a healthcare professional before use.
  • Store at ambient temperature: keep in the original packaging, protect from moisture and direct sunlight.

Avoid Interactions

Loperamide can interact with other medicines, altering its effectiveness or safety profile.

Major Interactions (Avoid)

  • Strong CYP3A4 inhibitors (e.g., ketoconazole, erythromycin): may increase loperamide plasma concentrations and risk of cardiac toxicity.
  • Other opioids or opioid agonists: additive central nervous system depression is unlikely but may increase constipation.
  • QT‑prolonging drugs (e.g., quinidine, amiodarone): combined use can heighten the risk of arrhythmias.

Moderate Interactions (Monitor Closely)

  • CNS depressants (e.g., benzodiazepines, antihistamines): may enhance drowsiness or sedation.
  • Anticholinergic agents: can potentiate constipation.
  • Antifungal azoles (e.g., itraconazole) at moderate potency: may modestly raise loperamide levels.

Frequently Asked Questions

Imosec contains loperamide hydrochloride and is used to control symptoms of diarrhea. It is indicated for acute watery diarrhea, chronic diarrhea, and irritable bowel syndrome with diarrhea (IBS‑D) in adult patients, helping to reduce stool frequency and improve consistency.

Loperamide acts as a peripheral μ‑opioid receptor agonist in the intestinal wall. By binding to these receptors it inhibits acetylcholine release, which reduces smooth‑muscle contractions and slows intestinal transit. The prolonged transit allows more water to be reabsorbed, resulting in firmer stools and fewer bowel movements.

The appropriate dose of Imosec is determined by a qualified healthcare professional based on the individual’s condition, severity of symptoms, and response to therapy. Patients should follow the prescriber’s instructions and the product labeling for dosing guidance.

Imosec is classified as Pregnancy Category B, indicating that animal studies have not shown risk to the fetus and there are no adequate human studies. It may be used during pregnancy or lactation only if the potential benefit justifies the potential risk, and after consultation with a healthcare provider.

To order Imosec, submit an enquiry on the product page at gnhindia.com specifying the required quantity. GNH India supplies hospitals, pharmacies and procurement teams across international markets, and will request verification of trade or institutional credentials. The sales team then provides pricing, availability, shipping details and any necessary import documentation.

Imosec (loperamide) is a peripheral opioid antidiarrheal, distinct from adsorbent agents such as bismuth subsalicylate or antisecretory drugs like racecadotril. It provides rapid symptom relief by slowing gut motility, whereas other classes may work by binding toxins or reducing intestinal secretion. Choice of therapy depends on the underlying cause, patient tolerance and clinical guidelines.

Imosec should be stored at ambient temperature, below 25 °C, in its original packaging. Protect the product from moisture, direct sunlight and extreme heat. Keep it out of reach of children and do not use after the expiry date printed on the label.

Imosec is taken orally, usually as a tablet or capsule, with or without water. The exact form and strength are specified on the product label. Patients should swallow the tablet whole and follow the prescriber’s instructions regarding timing relative to meals.

Serious risks include severe constipation that can lead to intestinal obstruction, toxic megacolon, and cardiac arrhythmias such as QT prolongation, especially when combined with CYP3A4 inhibitors or other QT‑prolonging drugs. Any signs of abdominal pain, bloating, or irregular heartbeat should prompt immediate medical evaluation.

Imosec should be avoided in children younger than 2 years, in patients with known hypersensitivity to loperamide, and in individuals with diarrhea caused by invasive bacterial infections or Clostridioides difficile, as slowing gut motility may worsen the condition. Caution is also advised in severe hepatic impairment.

Published by

GNH India Pharmaceuticals Limited

Licensed pharmaceutical supplier

Last updated:

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