Product image of Noidak (Isotretinoin) supplied by GNH India

Noidak

Active Ingredient:
Isotretinoin
Origin:
EU

Noidak (Isotretinoin)

Isotretinoin, the active ingredient in Noidak, is a retinoid presented as an oral dosage form for systemic use. It is indicated for the treatment of severe nodular acne and refractory acne vulgaris in patients who have not responded to conventional therapies.

GNH India supplies Noidak as a licensed, GDP‑compliant international pharmaceutical supplier serving hospitals, pharmacies and clinics worldwide. The company adheres to EU GMP standards and provides regulatory documentation for global distribution.

Manufacturer / TM Owner

Velit Biopharma S.R.L

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Indications & Clinical Uses

Isotretinoin is a systemic retinoid used in dermatology for severe acne conditions.

  • Severe nodular acne: reduces lesion count and prevents new nodule formation.
  • Refractory acne vulgaris: achieves clearance in patients unresponsive to other treatments.
  • Severe cystic acne: improves skin texture and decreases inflammatory lesions.

How It Works

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

Side Effects

Isotretinoin may cause a range of adverse reactions, varying from common to serious.

Common Side Effects

  • Dry skin and mucous membranes.
  • Cheilitis (cracked lips).
  • Dry eyes and ocular irritation.
  • Epistaxis (nosebleeds).
  • Joint or muscle aches.
  • Headache.

Serious or Rare Side Effects

  • Severe depression, suicidal ideation, or psychosis.
  • Pancreatitis.
  • Inflammatory bowel disease.
  • Severe hypertriglyceridemia.
  • Pseudotumor cerebri (intracranial hypertension).
  • Hepatotoxicity with marked elevation of liver enzymes.

Precautions & Warnings

Before initiating therapy, clinicians should evaluate several safety considerations.

  • Pregnancy: contraindicated due to high teratogenic risk (Category X).
  • Laboratory monitoring: regular liver function and lipid profile assessments are recommended.
  • Concomitant vitamin A: avoid because of additive toxicity.
  • Psychiatric symptoms: monitor for depression or mood changes.
  • Sun exposure: advise use of sunscreen and protective clothing.
  • Store at ambient temperature below 25°C: keep in the original container, protect from moisture and light.

Avoid Interactions

Isotretinoin interacts with several medicines; some should be avoided while others require close monitoring.

Major Interactions (Avoid)

  • Tetracycline antibiotics: may reduce isotretinoin efficacy.
  • Vitamin A supplements: increase risk of toxicity.
  • Systemic corticosteroids: raise risk of pseudotumor cerebri.
  • Phenobarbital and other enzyme inducers: lower isotretinoin plasma levels.
  • Oral contraceptives: may have reduced effectiveness.

Moderate Interactions (Monitor Closely)

  • Azithromycin: may elevate liver enzymes.
  • Topical retinoids: increase skin irritation.
  • Anticoagulants (e.g., warfarin): possible alteration of INR.
  • Diuretics: may exacerbate hyperuricemia.
  • Antihypertensives: monitor for additive hypotensive effects.

Frequently Asked Questions

Noidak contains isotretinoin, a retinoid indicated for the treatment of severe nodular acne and refractory acne vulgaris. It is prescribed when conventional therapies such as topical agents or oral antibiotics have not achieved adequate control of the disease.

Isotretinoin binds to nuclear retinoic acid receptors, altering gene transcription that leads to reduced sebaceous gland size, lower sebum output, normalization of follicular keratinization, and anti‑inflammatory effects, all of which target the key pathogenic mechanisms of severe acne.

The dose of Noidak is individualized by the prescribing clinician based on the patient’s weight, severity of acne, and laboratory parameters. Typical regimens range from 0.5 mg/kg to 1 mg/kg per day, but the exact schedule must be set by a qualified healthcare professional.

Noidak is classified as pregnancy category X because isotretinoin 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 may harm the infant.

To order Noidak, 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.

Compared with oral antibiotics, isotretinoin provides a disease‑modifying effect rather than merely suppressing bacterial growth, often achieving long‑term remission after a finite course. Unlike topical retinoids, it acts systemically, reaching deeper sebaceous glands, but it also carries a higher risk of systemic adverse effects.

Noidak should be stored at ambient temperature below 25 °C, in its original packaging, protected from moisture and direct light. Keep the product out of reach of children and avoid exposing it to excessive heat or humidity.

Noidak is taken orally, usually with a meal or a glass of milk to improve absorption and reduce gastrointestinal irritation. The tablet should be swallowed whole with water; it is not intended for crushing, chewing, or sublingual use.

The most serious risks include severe depression or suicidal thoughts, teratogenic effects if pregnancy occurs, significant elevations in liver enzymes or triglycerides, and rare events such as pancreatitis or pseudotumor cerebri. Patients should be monitored closely for any of these signs.

Noidak is contraindicated in pregnant women, nursing mothers, patients with known hypersensitivity to isotretinoin or other retinoids, individuals with active liver disease, uncontrolled hyperlipidemia, or those taking concomitant vitamin A supplements. Caution is also advised for patients with a history of psychiatric disorders.

Published by

GNH India Pharmaceuticals Limited

Licensed pharmaceutical supplier

Last updated:

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