Atazanavir and St. John's wort interaction

Atazanavir and St. John's wort: the Atazanavir prescribing label flags this combination with the strongest language, such as a contraindication, a boxed warning, or an instruction to avoid it.

Major

Do not combine without a prescriber's guidance. The label language below is the strongest FDA uses.

What the FDA labels say

From the Atazanavir (REYATAZ) label · effective 2024-12-05

Major

John’s wort ( Hypericum perforatum ) Lipid-Modifying Agents: Lomitapide, lovastatin, simvastatin Phosphodiesterase-5 (PDE-5) Inhibitor Sildenafil b when dosed as REVATIO ® for the treatment of pulmonary arterial hypertension Protease Inhibitors Indinavir Non-nucleoside Reverse Transcriptase Inhibitors Nevirapine • In patients with previously demonstrated hypersensitivity…

Contraindicationsnames St. John's wortView label on DailyMed
Minor

John’s wort (Hypericum perforatum) ↓ atazanavir Coadministration of products containing St.

Drug interactionsnames St. John's wortView label on DailyMed

Curated guidance for St. John's wort

Major

St. John's wort can lower blood levels of some HIV medicines enough to cause treatment failure.

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Not medical advice. Interaction Checker quotes FDA label text and NIH fact sheets. Whether an interaction matters for you depends on doses, timing, kidney and liver function, and other conditions. Confirm with a pharmacist or prescriber.