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 an immunostimulant presented as an oral tablet for oral use. It is employed to treat viral infections such as herpes simplex, human papillomavirus and influenza, and to support immune function in patients with immunodeficiency.

GNH India supplies Isoprinosine as a licensed, GDP‑compliant international pharmaceutical supplier serving hospitals, pharmacies and clinics worldwide. The company adheres to stringent quality standards and provides regulatory‑approved batches for global distribution.

Manufacturer / TM Owner

Ewopharma International S.R.O.

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Indications & Clinical Uses

  • Isoprinosine is used as an antiviral and immunostimulant in several viral disease categories.
  • Herpes simplex infections: reduces lesion duration and viral shedding.
  • Human papillomavirus (HPV) infections: assists clearance of genital warts and related lesions.
  • Influenza: alleviates symptoms and shortens the course of illness.
  • Support of immune function in immunodeficient patients: enhances cellular immunity and cytokine production.

How It Works

  • Inosine Pranobex enhances the host immune response by stimulating T‑lymphocyte proliferation and increasing production of cytokines such as interferon‑γ and interleukin‑2. It also exerts direct antiviral activity by interfering with viral replication cycles across a range of DNA and RNA viruses, thereby limiting viral spread while bolstering cellular immunity.

Side Effects

Isoprinosine may cause a range of adverse reactions, varying from mild to severe.

Common Side Effects

  • Nausea: mild to moderate stomach upset.
  • Headache: transient cranial discomfort.
  • Dizziness: occasional light‑headedness.
  • Abdominal discomfort: mild cramps or pain.
  • Rash: mild skin erythema.
  • Low‑grade fever: transient temperature rise.

Serious or Rare Side Effects

  • Anaphylaxis: severe allergic reaction requiring immediate medical attention.
  • Hepatic enzyme elevation: possible liver function abnormalities.
  • Blood dyscrasias: rare cases of leukopenia or thrombocytopenia.
  • Severe skin reactions: Stevens‑Johnson syndrome or toxic epidermal necrolysis.
  • Hemolytic anemia: destruction of red blood cells.
  • Autoimmune phenomena: rare onset of autoimmune disorders.

Precautions & Warnings

  • Before initiating Isoprinosine, consider the following safety measures.
  • Pregnancy: safety not established; avoid unless benefits outweigh risks.
  • Breastfeeding: unknown; assess potential infant exposure.
  • Renal impairment: use with caution; monitor renal function.
  • Hepatic impairment: dose adjustment may be required; monitor liver enzymes.
  • Concomitant immunosuppressants: may reduce therapeutic effect; monitor immune status.
  • Store at ambient temperature: keep in original container, protect from moisture and light.

Avoid Interactions

Isoprinosine can interact with other medicines; awareness of major and moderate interactions helps ensure safe use.

Major Interactions (Avoid)

  • Immunosuppressive agents: may blunt therapeutic effect.
  • Live vaccines: increased risk of infection.
  • Anticoagulants: potential alteration of coagulation parameters.

Moderate Interactions (Monitor Closely)

  • Corticosteroids: may modify immune response.
  • Antiretroviral drugs: possible pharmacokinetic changes.
  • Alcohol: may increase hepatic load and affect metabolism.

Frequently Asked Questions

Isoprinosine is prescribed to treat viral infections such as herpes simplex, human papillomavirus (HPV) and influenza, and to support immune function in patients with compromised immunity. It acts as both an antiviral agent and an immunostimulant, helping the body clear viral pathogens and improve cellular immune responses.

Inosine Pranobex works by stimulating T‑lymphocyte activity and increasing cytokine production, which enhances the body’s cellular immunity. It also interferes with viral replication mechanisms, providing a direct antiviral effect across a broad spectrum of viruses.

The dosage of Isoprinosine is individualized and must be determined by a qualified prescriber based on the specific indication, patient age, weight, renal and hepatic function, and other clinical factors. Patients should follow the prescribing physician’s instructions and not adjust the dose on their own.

Safety data for Isoprinosine during pregnancy and lactation are limited. It should only be used if the potential benefit justifies the possible risk to the fetus or infant. Healthcare providers usually advise caution and may recommend alternative therapies when safer options are available.

To order Isoprinosine, submit an enquiry on the product page at gnhindia.com, specifying the required quantity. GNH India supplies hospitals, pharmacies and procurement teams worldwide, and will request trade or institutional credentials. The sales team then replies with pricing, availability, shipping details (including any cold‑chain requirements) and necessary import documentation.

Unlike many antivirals that target a specific viral enzyme, Isoprinosine combines direct antiviral activity with immune modulation. This dual mechanism can be advantageous in infections where host immunity plays a key role, but it may not replace virus‑specific agents such as acyclovir for herpes or oseltamivir for influenza in all cases.

Isoprinosine tablets should be stored at ambient temperature, below 25 °C, in the original packaging to protect from moisture and light. Keep the product out of reach of children and avoid storing in humid or excessively hot environments.

Isoprinosine is administered orally, typically as a tablet taken with water. The exact dosing schedule, including frequency and duration, is prescribed by the treating physician based on the individual’s clinical condition.

Serious adverse reactions, although rare, include severe allergic responses such as anaphylaxis, significant liver enzyme elevations, blood dyscrasias (e.g., leukopenia, thrombocytopenia), and severe skin reactions like Stevens‑Johnson syndrome. Patients should seek immediate medical attention if they experience symptoms such as rash spreading, difficulty breathing, jaundice, or unexplained bruising.

Isoprinosine is contraindicated in individuals with known hypersensitivity to Inosine Pranobex or any excipients in the formulation. Caution is advised for patients with severe hepatic or renal impairment, and it should be avoided in those receiving live vaccines or potent immunosuppressive therapy unless specifically directed by a physician.

Published by

GNH India Pharmaceuticals Limited

Licensed pharmaceutical supplier

Last updated:

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