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Medicines efavirenzQuestion & answer

efavirenz · Medicine question

Can efavirenz prolong the QTc interval?

iatroX medicinesPublished 8 November 2026

The answer

Answer

Yes, QTc prolongation has been observed with efavirenz use.

Sources for this answer

Efavirenz 600 mg film-coated tabletsAurobindo Pharma - Milpharm Ltd. · emc · SmPC §4.4 Special warnings and precautions for use · Version 12Document updated 21 May 2026

Sources checked 8 November 2026

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The full medicine guide

efavirenz

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More questions about efavirenz

Have seizures been reported in adults and children receiving efavirenz?What late-onset neurological toxicity has been reported with efavirenz?How much lactose monohydrate does each efavirenz 600 mg film-coated tablet in the Aurobindo Pharma - Milpharm Ltd. product contain?Is efavirenz contraindicated in patients with severe hepatic impairment?What infection is efavirenz used to treat?Why is co-administration of efavirenz with sofosbuvir/velpatasvir not recommended?

Read the efavirenz guide

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