Product image of Nevirapine Cristers (Nevirapine) supplied by GNH India

Nevirapine Cristers

Active Ingredient:
Nevirapine
Origin:
EU

Nevirapine Cristers (Nevirapine)

Nevirapine, the active ingredient in Nevirapine Cristers, is a non‑nucleoside reverse transcriptase inhibitor presented as an oral tablet for oral use. It is employed in the management of HIV‑1 infection in adults and adolescents, typically as part of combination antiretroviral therapy.

GNH India supplies Nevirapine Cristers as a licensed, GDP‑compliant international pharmaceutical supplier serving hospitals, pharmacies and clinics worldwide. The company adheres to stringent quality standards and provides regulatory‑approved batches to meet global demand.

Manufacturer / TM Owner

Cristers

1
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Indications & Clinical Uses

Nevirapine is an NNRTI used in antiretroviral regimens targeting HIV‑1 replication.

  • HIV‑1 infection (treatment‑naïve adults): reduces plasma viral load when combined with other antiretrovirals.
  • HIV‑1 infection (treatment‑naïve adolescents ≥12 years): improves immune recovery and suppresses viral replication.
  • HIV‑1 infection (prevention of mother‑to‑child transmission): used in selected pregnant women as part of combination therapy.

How It Works

  • Nevirapine binds to a hydrophobic pocket of the HIV‑1 reverse transcriptase enzyme that is distinct from the nucleoside binding site. This binding induces a conformational change that impairs the enzyme’s polymerase activity, thereby blocking the conversion of viral RNA into DNA and halting viral replication within infected cells.

Side Effects

Nevirapine may cause a range of adverse reactions, which are categorized by frequency and severity.

Common Side Effects

  • Rash
  • Nausea
  • Fatigue
  • Headache
  • Abdominal pain
  • Dizziness

Serious or Rare Side Effects

  • Stevens‑Johnson syndrome or toxic epidermal necrolysis
  • Severe hepatic failure or hepatitis
  • Hypersensitivity reactions (including fever and eosinophilia)
  • Grade 3/4 neutropenia
  • Anaphylaxis
  • Severe skin reactions requiring hospitalization

Precautions & Warnings

When prescribing Nevirapine, clinicians should observe several safety considerations.

  • Baseline liver function: assess hepatic enzymes before initiating therapy.
  • Monitor for rash: discontinue promptly if severe skin reactions develop.
  • Hepatitis B/C co‑infection: use with caution and monitor liver status.
  • Pregnancy: evaluate risk‑benefit; avoid initiation in women with CD4 >250 cells/µL.
  • Drug resistance: avoid use after virologic failure on other NNRTIs.
  • Store at ambient temperature: keep below 25 °C, retain in original packaging, protect from moisture.

Avoid Interactions

Nevirapine interacts with several medicines, influencing its plasma concentration or toxicity.

Major Interactions (Avoid)

  • Rifampicin
  • St. John’s wort
  • Protease inhibitors boosted with ritonavir
  • Certain azole antifungals (e.g., ketoconazole)
  • Carbamazepine

Moderate Interactions (Monitor Closely)

  • Efavirenz
  • Zidovudine
  • Lamivudine
  • Hormonal contraceptives
  • Warfarin

Frequently Asked Questions

Nevirapine Cristers contains the NNRTI nevirapine and is indicated for the treatment of HIV‑1 infection. It is used as part of combination antiretroviral therapy in adults, adolescents and selected pregnant women to suppress viral replication and improve immune function.

Nevirapine binds to a specific hydrophobic pocket on the HIV‑1 reverse transcriptase enzyme, distinct from the nucleoside binding site. This binding causes a conformational change that blocks the enzyme’s activity, preventing the conversion of viral RNA into DNA and thereby inhibiting viral replication.

The dosing regimen for nevirapine is individualized by the prescribing clinician based on the patient’s age, weight, CD4 count and treatment history. Standard regimens typically involve an initial lead‑in period followed by a maintenance dose, but exact amounts must be determined by a qualified healthcare professional.

Nevirapine can be used during pregnancy when the benefits outweigh potential risks, especially for preventing mother‑to‑child transmission of HIV. However, initiation in women with high CD4 counts (>250 cells/µL) is associated with an increased risk of hepatic toxicity. Breastfeeding decisions should follow local guidelines and consider infant exposure.

To place an 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 (including any cold‑chain requirements) and necessary import documentation.

Nevirapine belongs to the NNRTI class, similar to efavirenz and rilpivirine. Compared with efavirenz, nevirapine has a lower incidence of central nervous system side effects but a higher risk of skin rashes and hepatic toxicity. Choice of agent depends on patient tolerance, resistance profile and co‑medication considerations.

Nevirapine Cristers should be stored at ambient temperature, preferably below 25 °C. Keep the tablets in the original blister pack, protect them from moisture and direct sunlight, and avoid storing them in bathrooms or near heat sources to maintain product stability.

Nevirapine is administered orally as a tablet. It may be taken with or without food, but consistent intake with respect to meals helps maintain stable plasma levels. Patients should swallow the tablet whole and follow the prescriber’s schedule for lead‑in and maintenance dosing.

The most serious adverse events include severe skin reactions such as Stevens‑Johnson syndrome or toxic epidermal necrolysis, and potentially life‑threatening hepatic injury. Early signs such as rash, fever, jaundice, or unexplained fatigue require immediate medical evaluation and possible discontinuation of therapy.

Nevirapine is contraindicated in patients with known hypersensitivity to the drug, those with moderate to severe hepatic impairment, and individuals with a history of severe cutaneous adverse reactions to NNRTIs. Caution is also advised for patients with high baseline CD4 counts, especially women, due to increased risk of liver toxicity.

Published by

GNH India Pharmaceuticals Limited

Licensed pharmaceutical supplier

Last updated:

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