Product image of Nix (Permethrin) supplied by GNH India

Nix

Active Ingredient:
Permethrin
Origin:
EU

Nix (Permethrin)

Permethrin, the active ingredient in Nix, is a pyrethroid presented as a topical preparation for skin application. It is used to treat parasitic skin infestations such as scabies and head lice in children and adults, and the formulation is designed for external use, allowing the drug to act directly on the parasites on the skin surface.

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

Manufacturer / TM Owner

Aco Hud Nordic Ab

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Indications & Clinical Uses

Permethrin is a topical antiparasitic that works against ectoparasite infestations.

  • Scabies: eliminates the Sarcoptes scabiei mite, relieving itching and skin lesions.
  • Crusted scabies: reduces heavy mite burden in severe, hyperinfested cases.
  • Pediculosis (lice): eradicates head lice and their eggs, preventing re‑infestation.

How It Works

  • Permethrin blocks voltage‑gated sodium channels in the nervous system of parasites, prolonging repolarization and causing paralysis. The resulting loss of motor function leads to death of the ectoparasite while the compound remains largely inactive on human nerve cells due to selective affinity.

Side Effects

Topical permethrin may cause local skin reactions and, rarely, systemic hypersensitivity.

Common Side Effects

  • Mild skin irritation: transient redness or itching at the application site.
  • Burning sensation: brief warmth felt after applying the cream.
  • Dryness: temporary flaking or scaling of the skin.
  • Rash: localized erythematous rash.

Serious or Rare Side Effects

  • Allergic reaction: hives, swelling, or anaphylaxis requiring medical attention.
  • Severe dermatitis: extensive blistering or ulceration of the skin.
  • Facial swelling: angioedema affecting the lips or eyes.
  • Neurological symptoms: dizziness or seizures in extremely rare cases.

Precautions & Warnings

When using Nix, follow these safety measures to minimise risk.

  • Use on intact skin only: avoid applying to cuts, abrasions or inflamed areas.
  • Age restriction: not recommended for infants younger than 2 months.
  • Eye contact: keep product away from eyes; rinse thoroughly if accidental exposure occurs.
  • Pregnancy and breastfeeding: consult a healthcare professional before use.
  • Concomitant topical agents: avoid using other medicated creams on the same area without guidance.
  • Store at room temperature: keep in the original container, protect from moisture and direct sunlight.

Avoid Interactions

Permethrin has limited systemic interactions, but certain topical combinations may affect tolerability.

Major Interactions (Avoid)

  • Concurrent use with other pyrethroid insecticides: may increase skin irritation.
  • Application with strong chemical hair treatments: can cause chemical reactions on the scalp.

Moderate Interactions (Monitor Closely)

  • Use with topical corticosteroids: may mask irritation signs.
  • Use with sunscreen or moisturizers: may reduce drug absorption.
  • Use with systemic medications metabolized by CYP enzymes: unlikely but monitor for unexpected effects.

Frequently Asked Questions

Nix contains permethrin and is indicated for the topical treatment of scabies, including crusted scabies, and pediculosis (head lice). The medication works by killing the parasites on the skin or hair, helping to relieve itching and prevent further spread.

Permethrin blocks voltage‑gated sodium channels in the nervous system of ectoparasites. This prolongs repolarization, leading to paralysis and death of the mite or louse while having minimal effect on human nerve cells because of its selective affinity.

The specific dose and application schedule for Nix are determined by the prescribing healthcare professional based on the patient’s age, weight, and the severity of the infestation. Always follow the prescriber’s instructions and the product label.

Safety data for permethrin in pregnancy and lactation are limited. Women who are pregnant, planning to become pregnant, or breastfeeding should discuss the risks and benefits with their healthcare provider before using Nix.

To request Nix, 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.

Nix (permethrin) is a synthetic pyrethroid, offering a broad‑spectrum topical option that is generally well‑tolerated. Alternative classes include malathion (organophosphate) and ivermectin (macrocyclic lactone). Permethrin tends to have fewer systemic side effects but resistance patterns may vary by region.

Store Nix at room temperature, preferably below 25 °C. Keep the container tightly closed, protect it from moisture, direct sunlight and extreme heat to maintain product stability.

Nix is applied topically to clean, dry skin or hair as directed by the prescriber. The product is usually spread over the affected area, left for the recommended contact time, and then washed off according to the label instructions.

Serious adverse reactions are rare but may include severe allergic responses such as anaphylaxis, extensive dermatitis, facial swelling (angioedema) and, in extremely uncommon cases, neurological symptoms like seizures. Seek immediate medical attention if any of these occur.

Nix should not be used on infants younger than 2 months, on broken or inflamed skin, or in individuals with a known hypersensitivity to permethrin or other pyrethroids. Patients with severe skin conditions should consult a healthcare professional before use.

Published by

GNH India Pharmaceuticals Limited

Licensed pharmaceutical supplier

Last updated:

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