What is EFAVIRENZ used for?

EFAVIRENZ (brand name Efavirenz) is a Other indicated for See full prescribing information.

How does EFAVIRENZ work?

EFAVIRENZ works through the following mechanism: 12.1 Mechanism of Action Efavirenz is an antiviral drug [see Microbiology ( 12.4 )]..

What are the most common side effects of EFAVIRENZ?

Reported side effects vary by individual. The side-effects section on this page lists the events most frequently reported to FDA FAERS for EFAVIRENZ. FAERS is voluntary reporting, so it reflects what was reported, not absolute incidence.

Is EFAVIRENZ the same as Efavirenz?

Efavirenz is a brand name for EFAVIRENZ. They share the same active ingredient and FDA-approved indications. Biosimilars and authorised generics may differ in inactive ingredients such as buffers or preservatives.

EFAVIRENZ

Other

Brand names: Efavirenz

Oral

Mechanism of Action

12.1 Mechanism of Action Efavirenz is an antiviral drug [see Microbiology ( 12.4 )].

Indications

See full prescribing information

Contraindications

• 4 CONTRAINDICATIONS • Efavirenz is contraindicated in patients with previously demonstrated clinically significant hypersensitivity (e.g.
• Stevens-Johnson syndrome
• erythema multiforme
• Stevens-Johnson syndrome
• erythema multiforme

FDA Warnings

5 WARNINGS AND PRECAUTIONS • QTc prolongation : Consider alternatives to efavirenz in patients taking other medications with a known risk of Torsade de Pointes or in patients at higher risk of Torsade de Pointes
4 ) • Serious psychiatric symptoms : Immediate medical evaluation is recommended for serious psychiatric symptoms such as severe depression or suicidal ideation
Consider alternatives to efavirenz when coadministered with a drug with a known risk of Torsade de Pointes or when administered to patients at higher risk of Torsade de Pointes
5 Psychiatric Symptoms Serious psychiatric adverse experiences have been reported in patients treated with efavirenz

Known Side Effects

4 documented side effects by frequency

Depression

1-10%

Fever

0.1-1%

Vomiting

0.1-1%

Diarrhea

0.1-1%

Community Discussions

No community discussions found for EFAVIRENZ yet.

Primary sources

Every figure on this page links back to its primary source. See data sources for full provenance.

DailyMed FDA label search → EFAVIRENZ openFDA label JSON → EFAVIRENZ FAERS adverse-event reports → EFAVIRENZ ClinicalTrials.gov → completed Phase 2+ trials of EFAVIRENZ

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Formulations

Dosage Forms

Tablet

Route

Oral