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 a tablet for oral use. It treats severe nodular acne and acne vulgaris in patients who have not responded to other therapies.

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

Manufacturer / TM Owner

Laboratoires Bailleul S.A.

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Indications & Clinical Uses

  • Isotiorga, a retinoid, is used to manage severe forms of acne by targeting the underlying pathophysiology.
  • Severe nodular acne: reduces inflammatory nodules and prevents new lesion formation.
  • Acne vulgaris: decreases sebum production and improves skin clarity.
  • Acne conglobata: helps clear extensive, deep‑seated lesions in refractory cases.

How It Works

  • Isotretinoin binds to nuclear retinoic acid receptors, modulating gene expression that leads to reduced sebaceous gland size, lower sebum output, normalization of follicular keratinization, and anti‑inflammatory effects, thereby addressing the core mechanisms of severe acne.

Side Effects

Isotiorga may cause a range of adverse reactions that vary in frequency and severity.

Common Side Effects

  • Dry skin and mucous membranes
  • Cheilitis (cracked lips)
  • Xerosis (dry eyes)
  • Photosensitivity
  • Elevated triglycerides
  • Headache

Serious or Rare Side Effects

  • Severe depression or mood changes
  • Inflammatory bowel disease
  • Hepatotoxicity (elevated liver enzymes)
  • Severe hypertriglyceridemia
  • Teratogenicity (birth defects)
  • Pseudotumor cerebri (increased intracranial pressure)

Precautions & Warnings

  • Before initiating therapy, clinicians should evaluate specific safety considerations.
  • Pregnancy: Contraindicated; category X due to high teratogenic risk.
  • Liver function: Monitor hepatic enzymes regularly.
  • Lipid profile: Check triglycerides and cholesterol before and during treatment.
  • Vitamin A supplements: Avoid concurrent use to prevent excess toxicity.
  • Contraception: Ensure effective birth control throughout therapy and for one month after discontinuation.
  • Store at below 25°C: keep in the original pack, protect from moisture.

Avoid Interactions

Isotiorga can interact with several drug classes, requiring careful management.

Major Interactions (Avoid)

  • Tetracyclines: increased risk of pseudotumor cerebri.
  • Vitamin A supplements: additive retinoid toxicity.
  • Systemic corticosteroids: may diminish isotretinoin efficacy.

Moderate Interactions (Monitor Closely)

  • Oral contraceptives: possible reduction in contraceptive effectiveness.
  • Anticoagulants (e.g., warfarin): altered INR values.
  • Statins: heightened risk of myopathy when triglycerides rise.
  • Azithromycin: enhanced photosensitivity.

Frequently Asked Questions

Isotiorga contains isotretinoin and is prescribed for severe nodular acne and acne vulgaris, particularly when other treatments have failed to achieve adequate control of lesions.

Isotretinoin binds to retinoic acid receptors, altering gene expression that reduces the size and activity of sebaceous glands, normalizes follicular keratinization, and exerts anti‑inflammatory effects, thereby addressing the primary drivers of severe acne.

The exact dose of Isotiorga is determined by the prescribing clinician based on the patient’s weight, severity of acne, and laboratory monitoring. Dosage adjustments are made according to therapeutic response and safety parameters.

Isotiorga is classified as pregnancy category X because it can cause severe birth defects. It is contraindicated in pregnancy and not recommended while breastfeeding due to potential risk to the infant.

To 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 necessary import documentation.

Isotiorga (isotretinoin) is a systemic retinoid offering higher efficacy for severe, recalcitrant acne compared with topical agents or oral antibiotics. Its unique ability to shrink sebaceous glands distinguishes it from other classes, though it requires more intensive monitoring.

Store Isotiorga at below 25 °C in its original packaging, protecting it from moisture and direct sunlight. Do not refrigerate or freeze the tablets, and keep them out of reach of children.

Isotiorga is taken orally, usually with a meal to improve absorption and reduce gastrointestinal discomfort. The tablets should be swallowed whole with water and not crushed or chewed.

The most serious risks include teratogenicity (birth defects), severe depression or mood disorders, hepatotoxicity, and significant elevations in triglycerides. Patients should be monitored regularly for these adverse events.

Isotiorga should not be used by pregnant or nursing women, individuals with uncontrolled hyperlipidemia, liver disease, or a history of severe depression. It is also contraindicated in patients taking vitamin A supplements or certain tetracycline antibiotics.

Published by

GNH India Pharmaceuticals Limited

Licensed pharmaceutical supplier

Last updated:

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