Product image of Isotiorga (Isotretinoin) supplied by GNH India

Isotiorga

Active Ingredient:
Isotretinoin
Origin:
EU

Isotiorga (Isotretinoin)

Isotretinoin, the active ingredient in Isotiorga, is a retinoid presented as an oral formulation for oral use. It is indicated for the treatment of severe recalcitrant nodular acne in patients who have not responded to conventional therapies.

GNH India supplies Isotiorga as a licensed, GDP‑compliant international pharmaceutical supplier serving hospitals, pharmacies and clinics worldwide, adhering to EU quality standards and providing reliable global distribution. The company ensures batch traceability, regulatory compliance, and timely delivery to meet the needs of healthcare providers across multiple regions.

Manufacturer / TM Owner

Laboratoires Bailleul S.A.

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Indications & Clinical Uses

Isotiorga (isotretinoin) is a retinoid used in dermatology to manage severe acne.

  • Severe recalcitrant nodular acne: reduces lesion count and promotes long‑term remission.
  • Severe inflammatory acne: decreases inflammation and sebum production.
  • Severe cystic acne: helps prevent new cyst formation and scarring.

How It Works

  • Isotretinoin binds to nuclear retinoic acid receptors, modulating gene expression that leads to reduced size and activity of sebaceous glands, decreased sebum output, normalization of follicular keratinization, and suppression of inflammatory pathways within the skin.

Side Effects

Isotiorga may cause a range of adverse reactions.

Common Side Effects

  • Dry skin: excessive dryness and scaling.
  • Cheilitis: cracking and inflammation of the lips.
  • Dry eyes: irritation and reduced tear production.
  • Nasal mucosal dryness: leading to nosebleeds.
  • Photosensitivity: increased sensitivity to sunlight.
  • Headache: mild to moderate intensity.

Serious or Rare Side Effects

  • Elevated liver enzymes: indicating potential hepatic injury.
  • Hypertriglyceridemia: significant rise in blood triglyceride levels.
  • Depression or suicidal thoughts: mood changes requiring immediate evaluation.
  • Pseudotumor cerebri: increased intracranial pressure presenting with headaches and visual disturbances.
  • Severe skin reactions: such as Stevens‑Johnson syndrome.
  • Teratogenicity: risk of birth defects if exposure occurs during pregnancy.

Precautions & Warnings

Before initiating therapy, several safety considerations are essential.

  • Pregnancy contraindication: avoid use in pregnant women; ensure effective contraception.
  • Contraception requirement: use two reliable methods throughout treatment and for one month after discontinuation.
  • Liver function monitoring: assess hepatic enzymes periodically.
  • Lipid profile monitoring: check triglyceride levels during therapy.
  • Vitamin A supplementation avoidance: do not combine with other retinoids or high‑dose vitamin A.
  • Store at ambient temperature: keep below 25 °C in the original packaging, protect from moisture and light.

Avoid Interactions

Isotiorga can interact with other medicines, affecting efficacy or safety.

Major Interactions (Avoid)

  • Tetracycline antibiotics: reduced isotretinoin effectiveness.
  • Vitamin A supplements: increased risk of toxicity.
  • Systemic corticosteroids: heightened chance of pseudotumor cerebri.
  • Phenobarbital: may lower isotretinoin plasma levels.
  • Oral contraceptives: possible reduction in contraceptive efficacy.

Moderate Interactions (Monitor Closely)

  • Other oral retinoids: additive teratogenic risk.
  • Azithromycin: monitor for liver enzyme changes.
  • Hepatotoxic drugs (e.g., methotrexate): watch liver function tests.
  • Lipid‑altering agents: observe triglyceride levels.

Frequently Asked Questions

Isotiorga contains isotretinoin, a retinoid indicated for the treatment of severe recalcitrant nodular acne that has not responded to standard therapies. It helps reduce acne lesions, control inflammation, and prevent scarring in affected patients.

Isotretinoin binds to retinoic acid receptors in skin cells, altering gene expression. This leads to smaller sebaceous glands, lower sebum production, normalized follicular keratinization, and reduced inflammatory activity, collectively improving severe acne.

The dosage of Isotiorga is determined individually by a qualified prescriber based on the patient’s weight, severity of acne, and clinical response. Only a healthcare professional can set the appropriate regimen.

Isotiorga is classified as pregnancy category X because it is highly teratogenic. It must not be used by pregnant women, and effective contraception is required during treatment and for one month after stopping. Breastfeeding is also contraindicated.

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

Isotiorga (isotretinoin) is a systemic retinoid, distinct from topical agents, antibiotics, or hormonal therapies. It offers a higher efficacy for severe nodular acne but carries a greater risk of systemic side effects, requiring careful monitoring and strict pregnancy precautions.

Store Isotiorga at ambient temperature, preferably below 25 °C. Keep the product in its original packaging, protect it from moisture and direct light, and ensure the container is tightly closed to maintain stability.

Isotiorga is taken orally, usually with food to improve absorption and reduce gastrointestinal irritation. The exact dosing schedule and duration are prescribed by a healthcare professional and should be followed precisely.

The most serious risks include severe liver toxicity, marked hypertriglyceridemia, depression or suicidal thoughts, pseudotumor cerebri, and birth defects if exposure occurs during pregnancy. Immediate medical attention is required if any of these occur.

Isotiorga should not be used by pregnant women, individuals planning pregnancy without reliable contraception, patients with pre‑existing liver disease, uncontrolled hyperlipidaemia, or those taking contraindicated medications such as tetracyclines or high‑dose vitamin A.

Published by

GNH India Pharmaceuticals Limited

Licensed pharmaceutical supplier

Last updated:

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