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Efavirenz

A Non-Nucleoside Reverse Transcriptase Inhibitor (NNRTI). Known for causing vivid dreams or dizziness, so it is best taken at bedtime.

Dosage by Body Weight

Dosed by weight bands. Generally for children >3 years and >10 kg. Take on an empty stomach to reduce side effects.

  1. Body Weight
    10-15 kg
    Dose
    200 mg
    Frequency
    Once daily (Bedtime)
    Tracking Notes
    Avoid high-fat meals before taking, as they increase drug levels and toxicity.
  2. Body Weight
    15-20 kg
    Dose
    250 mg
    Frequency
    Once daily (Bedtime)
    Tracking Notes
    Monitor for mood changes or rash.

Formulation

CapsuleTablet

Purpose

Part of combination antiretroviral therapy (ART) for HIV-1.

Generic Name

Efavirenz (EFV)

Branded Drug Names

Efavirenz is listed as a generic drug name. Common branded medicines that may contain the same active ingredient include:

  • Sustiva
  • Efavir

Scheduled Drug

Yes. This medicine should be supplied or used only according to applicable prescription and regulatory requirements.

Alternatives

NevirapineDolutegravir

Disclaimer: This information is for educational purposes only. WHO references and weight bands are simplified for tracking and must not replace medical advice. Always consult with a healthcare professional before starting or changing any medication.