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.

Weight-based dosage tracking table for Efavirenz, including body weight, dose, frequency, and tracking notes.
Body Weight	Dose	Frequency	Tracking Notes
10-15 kg	200 mg	Once daily (Bedtime)	Avoid high-fat meals before taking, as they increase drug levels and toxicity.
15-20 kg	250 mg	Once daily (Bedtime)	Monitor for mood changes or rash.

CapsuleTablet

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

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

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

CAUTION

Efavirenz: Alcohol may worsen dizziness, nausea, dehydration, or liver strain during antiviral treatment. Avoid or limit alcohol.

SAFE IF PRESCRIBED

Efavirenz: Use during pregnancy only when prescribed; treatment may be important for maternal infection control or prevention of transmission.

SAFE IF PRESCRIBED

Efavirenz: Breastfeeding advice depends on the infection and treatment regimen. Use only with healthcare provider guidance.

CAUTION

Efavirenz: May cause dizziness, fatigue, sleep disturbance, or headache. Avoid driving if alertness is affected.

CAUTION

Efavirenz: Some antivirals can affect liver function or require monitoring in hepatitis, HIV, or severe illness.

CAUTION

Efavirenz: Several antivirals are cleared by the kidneys and may need dose adjustment or hydration. Consult your healthcare provider.