Product image of Isoprinosine (Inosine Pranobex) supplied by GNH India

Isoprinosine

Active Ingredient:
Inosine Pranobex
Origin:
EU

Isoprinosine (Inosine Pranobex)

Inosine Pranobex, the active ingredient in Isoprinosine, is a antiviral, immunostimulant presented as an oral formulation for systemic use. It is employed to manage viral infections and to support immune function in selected patient groups.

GNH India supplies Isoprinosine as a licensed, GDP‑compliant international pharmaceutical supplier serving hospitals, pharmacies and clinics worldwide.

Manufacturer / TM Owner

Ewopharma International S.R.O.

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Indications & Clinical Uses

Isoprinosine acts on viral pathogens and modulates immune responses, making it useful for several infectious and immunodeficiency conditions.

  • Herpes simplex infections: reduces lesion duration and viral shedding.
  • Human papillomavirus (HPV) infections: assists clearance of cutaneous lesions.
  • Subacute sclerosing panencephalitis: provides antiviral support in chronic measles complications.
  • Influenza: shortens symptom course and limits viral replication.
  • Immunodeficiency support: enhances host defenses in patients with weakened immunity.

How It Works

  • Inosine Pranobex modulates the immune system by stimulating T‑cell proliferation, enhancing natural killer (NK) cell activity, and increasing production of cytokines such as interferon‑γ and interleukin‑2. These actions boost cellular immunity and create an antiviral environment that limits viral replication across a range of pathogens.

Side Effects

Adverse reactions may occur with oral Inosine Pranobex.

Common Side Effects

  • Nausea: mild to moderate gastrointestinal upset.
  • Headache: transient cranial discomfort.
  • Elevated liver enzymes: mild, reversible increase in hepatic transaminases.
  • Skin rash: erythematous or maculopapular eruptions.

Serious or Rare Side Effects

  • Severe hypersensitivity: anaphylaxis or angioedema requiring immediate medical attention.
  • Hematologic abnormalities: rare cases of leukopenia or thrombocytopenia.
  • Hepatotoxicity: significant liver injury manifested by jaundice or marked enzyme elevation.

Precautions & Warnings

Use Isoprinosine only under medical supervision, considering individual health status and concomitant conditions.

  • Pregnancy: safety not established; avoid unless benefits outweigh risks.
  • Breastfeeding: unknown excretion; consider discontinuation during lactation.
  • Liver disease: monitor hepatic function regularly.
  • Renal impairment: dose adjustment may be required based on clinical judgment.
  • Drug interactions: review concomitant medications for potential conflicts.
  • Store at ambient temperature: keep below 25 °C, retain in original packaging, protect from moisture and direct sunlight.

Avoid Interactions

Inosine Pranobex may interact with other agents that affect immune function or hepatic metabolism.

Major Interactions (Avoid)

  • Immunosuppressants (e.g., cyclosporine, tacrolimus): may counteract immunostimulatory effect.
  • Hepatotoxic drugs (e.g., high‑dose acetaminophen): increase risk of liver injury.

Moderate Interactions (Monitor Closely)

  • Antiviral agents (e.g., acyclovir): potential additive antiviral activity.
  • Anticoagulants (e.g., warfarin): monitor coagulation parameters.
  • Corticosteroids: may alter immune response dynamics.

Frequently Asked Questions

Isoprinosine (Inosine Pranobex) is indicated for the treatment of herpes simplex infections, human papillomavirus (HPV) lesions, influenza, subacute sclerosing panencephalitis, and for supporting immune function in patients with immunodeficiency.

Inosine Pranobex enhances the activity of T‑cells and natural killer cells while stimulating cytokine production such as interferon‑γ and interleukin‑2. This combined immunostimulatory effect creates an environment that limits viral replication and improves host defense.

The dosage of Isoprinosine is determined by the prescribing clinician based on the specific indication, patient age, weight, renal and hepatic function, and other individual factors. Patients should follow the prescriber’s instructions precisely.

Safety data for Inosine Pranobex in pregnancy and lactation are limited. It should only be used if the potential benefit justifies any possible risk to the fetus or infant, and the decision must be made by a qualified healthcare professional.

To request Isoprinosine, 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 required import documentation.

Unlike many antivirals that target a specific viral enzyme, Inosine Pranobex primarily acts as an immunostimulant, enhancing the host’s cellular immunity. This broader mechanism can complement virus‑specific drugs, but direct comparative efficacy depends on the infection being treated.

Isoprinosine should be stored at ambient temperature, preferably below 25 °C. Keep the product in its original packaging, protect it from moisture and direct sunlight, and ensure the container is tightly closed to maintain stability.

Isoprinosine is taken orally, usually as tablets or capsules, with or without food as directed by the prescriber. The exact administration schedule is individualized based on the therapeutic indication and patient response.

Serious adverse events, although rare, include severe hypersensitivity reactions such as anaphylaxis, significant liver injury (hepatotoxicity), and hematologic abnormalities like leukopenia or thrombocytopenia. Patients should seek immediate medical attention if they experience any of these symptoms.

Isoprinosine is contraindicated in individuals with known hypersensitivity to Inosine Pranobex or any of its excipients. Caution is advised for patients with severe hepatic or renal impairment, and it should be avoided in pregnancy unless clearly justified by a healthcare professional.

Published by

GNH India Pharmaceuticals Limited

Licensed pharmaceutical supplier

Last updated:

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