Product image of Isomacne (Isotretinoin) supplied by GNH India

Isomacne

Active Ingredient:
Isotretinoin
Origin:
EU

Isomacne (Isotretinoin)

Isotretinoin, the active ingredient in Isomacne, is a retinoid presented as an oral dosage form 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 Isomacne as a licensed, GDP‑compliant international pharmaceutical supplier serving hospitals, pharmacies and clinics worldwide. The company adheres to stringent quality standards and provides regulatory documentation for importers. Its global distribution network ensures timely delivery across Europe, Asia, Africa and the Americas.

Manufacturer / TM Owner

Teva B.V

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Indications & Clinical Uses

Isotretinoin is used in dermatology to target severe forms of acne that are resistant to standard therapies.

  • Severe recalcitrant nodular acne: markedly reduces inflammatory lesions and prevents formation of new nodules.
  • Severe nodular acne vulgaris: clears extensive acne lesions when topical and oral antibiotics have failed.
  • Moderate to severe acne vulgaris: improves overall skin appearance in patients unresponsive to conventional regimens.

How It Works

  • Isotretinoin binds to nuclear retinoic acid receptors (RARs) in sebaceous gland cells, leading to decreased transcription of genes that promote sebocyte proliferation and sebum production. The drug also normalizes keratinization, reduces follicular occlusion, and exerts anti‑inflammatory effects by modulating cytokine release, collectively contributing to acne lesion reduction.

Side Effects

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

Common Side Effects

  • Dry skin and mucous membranes: increased dryness of skin, lips and eyes.
  • Cheilitis: painful cracking and inflammation of the lips.
  • Xerosis: generalized skin dryness and scaling.
  • Photosensitivity: heightened skin reaction to sunlight.
  • Headache: mild to moderate head discomfort.
  • Myalgia: muscle aches or stiffness.

Serious or Rare Side Effects

  • Teratogenicity: severe birth defects if exposure occurs during pregnancy.
  • Depression or suicidal ideation: mood changes requiring immediate medical attention.
  • Inflammatory bowel disease: rare onset of ulcerative colitis or Crohn's disease.
  • Hepatotoxicity: elevated liver enzymes indicating liver stress.
  • Hyperlipidemia: significant increase in triglycerides or cholesterol.
  • Visual disturbances: night blindness or decreased visual acuity.

Precautions & Warnings

Before initiating isotretinoin therapy, several safety considerations should be observed.

  • Pregnancy prevention: ensure effective contraception and negative pregnancy test before starting.
  • Liver monitoring: obtain baseline liver function tests and repeat periodically.
  • Lipid monitoring: check fasting lipid profile prior to treatment and during therapy.
  • Vitamin A intake: avoid concurrent high‑dose vitamin A supplements.
  • Sun protection: advise patients to use sunscreen and protective clothing.
  • Store at ambient temperature below 25°C: keep in the original container, protect from moisture and light.

Avoid Interactions

Isotretinoin can interact with other medicines, altering efficacy or increasing risk of adverse events.

Major Interactions (Avoid)

  • Tetracyclines: combined use may increase risk of intracranial hypertension.
  • Vitamin A supplements: additive teratogenic risk and toxicity.
  • Systemic corticosteroids: may exacerbate psychiatric side effects.

Moderate Interactions (Monitor Closely)

  • Oral contraceptives: isotretinoin may reduce contraceptive effectiveness; advise backup methods.
  • Anticoagulants (e.g., warfarin): potential for altered coagulation parameters.
  • Azole antifungals: may increase isotretinoin plasma levels.
  • Phenobarbital and other enzyme inducers: may decrease isotretinoin concentrations.

Frequently Asked Questions

Isomacne contains isotretinoin and is prescribed for the treatment of severe recalcitrant nodular acne, a form of acne that does not improve with standard topical or oral antibiotics. It helps to reduce existing lesions and prevent new nodules from forming.

Isotretinoin binds to retinoic acid receptors in skin cells, especially within sebaceous glands. This binding reduces the size and activity of the glands, lowers sebum production, normalizes skin cell turnover, and provides anti‑inflammatory effects, all of which contribute to clearing acne.

The dosage of Isomacne is determined individually by the prescribing physician based on the patient’s weight, severity of acne, and response to therapy. Only a qualified healthcare professional can set the appropriate dose and treatment schedule.

Isotretinoin, the active ingredient in Isomacne, is classified as pregnancy category X, meaning it is contraindicated in pregnancy due to a high risk of severe birth defects. It is also not recommended during breastfeeding because it can be excreted in breast milk.

To order Isomacne, 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 necessary import documentation.

Isomacne (isotretinoin) is a systemic retinoid and is generally reserved for severe acne that has not responded to topical agents, antibiotics, or hormonal therapy. Compared with antibiotics, it offers a longer‑lasting remission but carries a higher risk of systemic side effects, requiring careful monitoring.

Isomacne should be stored at ambient temperature below 25 °C. Keep the product in its original packaging, protect it from moisture and direct light, and store it out of reach of children to maintain stability and potency.

Isomacne is taken orally, usually with a full glass of water. The prescribing doctor will advise whether it should be taken with food or on an empty stomach, and the exact timing should follow the healthcare professional’s instructions.

The most serious risks include teratogenicity (birth defects if taken during pregnancy), severe depression or suicidal thoughts, significant increases in liver enzymes, and marked elevations in blood lipids. Patients should be monitored regularly for these adverse effects.

Isomacne should not be used by pregnant women, women who may become pregnant without reliable contraception, individuals with pre‑existing liver disease, uncontrolled hyperlipidemia, 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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