Product image of Isotroin (Isotretinoin) supplied by GNH India

Isotroin

Active Ingredient:
Isotretinoin
Origin:
EU

Isotroin (Isotretinoin)

Isotretinoin, the active ingredient in Isotroin, is a retinoid presented as an oral capsule for oral use. It is indicated for the treatment of severe recalcitrant nodular acne in patients who have not responded to conventional therapies. It is formulated for systemic administration and is prescribed by dermatologists after careful assessment of disease severity and patient suitability.

GNH India supplies Isotroin as a licensed, GDP‑compliant international pharmaceutical supplier serving hospitals, pharmacies and clinics worldwide. The company adheres to stringent quality standards and provides reliable sourcing for regulated markets.

Manufacturer / TM Owner

Iasis Pharma

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Indications & Clinical Uses

Isotretinoin is a systemic retinoid used in the management of severe acne.

  • Severe recalcitrant nodular acne: markedly reduces inflammatory lesions and prevents new nodule formation.
  • Severe cystic acne: promotes long‑term skin clearance and reduces scarring risk.
  • Acne unresponsive to conventional therapy: provides an alternative systemic option when topical and oral antibiotics have failed.

How It Works

  • Isotretinoin binds to nuclear retinoic acid receptors (RARs) in sebaceous gland cells, leading to decreased gland size and reduced sebum production. It also normalizes follicular keratinization, limiting comedone formation, and exerts anti‑inflammatory effects by modulating cytokine expression, thereby addressing the pathogenic factors of severe acne.

Side Effects

Isotretinoin 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).
  • Elevated liver enzymes.
  • Hypertriglyceridemia.
  • Photosensitivity.

Serious or Rare Side Effects

  • Severe depression or suicidal ideation.
  • Inflammatory bowel disease flare.
  • Teratogenicity leading to birth defects.
  • Severe liver injury.
  • Pseudotumor cerebri (increased intracranial pressure).

Precautions & Warnings

Before initiating therapy, clinicians should evaluate several safety considerations.

  • Pregnancy contraindication: avoid use in pregnant women due to high teratogenic risk.
  • Contraception requirement: reliable birth control must be used throughout treatment and for one month after cessation.
  • Liver monitoring: baseline and periodic liver function tests are recommended.
  • Lipid monitoring: assess serum triglycerides before and during therapy.
  • Vitamin A avoidance: concurrent vitamin A supplements can increase toxicity.
  • Store below 25°C: keep in the original pack, protect from moisture.

Avoid Interactions

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

Major Interactions (Avoid)

  • Tetracycline antibiotics: increased risk of pseudotumor cerebri.
  • Vitamin A supplements: additive retinoid toxicity.
  • Systemic corticosteroids: heightened intracranial pressure risk.
  • Other oral retinoids: cumulative teratogenic and hepatic toxicity.

Moderate Interactions (Monitor Closely)

  • Oral contraceptives: possible reduction in contraceptive effectiveness.
  • Anticoagulants (e.g., warfarin): monitor INR for potential alterations.
  • Lipid‑lowering agents: may require dose adjustment of isotretinoin.

Frequently Asked Questions

Isotroin contains isotretinoin, a retinoid prescribed for severe recalcitrant nodular acne that has not responded to standard topical or oral therapies. It works systemically to reduce acne lesions, prevent new nodules, and improve long‑term skin appearance.

Isotretinoin binds to retinoic acid receptors in skin cells, shrinking sebaceous glands, lowering sebum output, normalizing follicular keratinization, and reducing inflammation. These actions address the core mechanisms that drive severe acne formation.

The dosage of Isotroin is individualized by the prescribing dermatologist based on the patient’s weight, severity of acne, and laboratory parameters. Only a qualified healthcare professional can determine the appropriate regimen.

Isotretinoin is classified as pregnancy category X because it is highly teratogenic. It must not be used by pregnant women or women who may become pregnant. Breastfeeding is also contraindicated, as the drug can be excreted in milk and affect the infant.

To order Isotroin, 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.

Compared with antibiotics or topical retinoids, isotretinoin offers a systemic approach that can achieve long‑lasting remission after a finite course. It is more potent for severe nodular or cystic acne but carries a higher risk profile, requiring careful monitoring and strict contraception.

Isotroin should be stored below 25 °C in its original container, protected from moisture and direct light. Keep the product out of reach of children and avoid exposing it to extreme temperatures or humidity.

Isotroin is taken orally, usually as a capsule, with a full glass of water. It is typically taken with food to reduce gastrointestinal discomfort, but the exact timing and dosing schedule are determined by the prescribing clinician.

The most serious risks include teratogenicity, severe depression or suicidal thoughts, inflammatory bowel disease exacerbation, significant liver enzyme elevation, hypertriglyceridemia, and pseudotumor cerebri. Patients should be monitored closely for any of these adverse events.

Isotroin should not be used by pregnant women, women planning pregnancy, or those who cannot commit to effective contraception. It is also contraindicated in patients with pre‑existing liver disease, uncontrolled hyperlipidaemia, or a history of severe psychiatric disorders without specialist oversight.

Published by

GNH India Pharmaceuticals Limited

Licensed pharmaceutical supplier

Last updated:

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