Atazanavir and Ezetimibe and simvastatin interaction
Atazanavir and Ezetimibe and simvastatin: both prescribing labels flag this combination with the strongest language, such as a contraindication, a boxed warning, or an instruction to avoid it.
Do not combine without a prescriber's guidance. The label language below is the strongest FDA uses.
What the FDA labels say
From the Ezetimibe and simvastatin (VYTORIN) label · effective 2026-01-21
VYTORIN is contraindicated in the following conditions: Concomitant use of strong CYP3A4 inhibitors (select azole anti-fungals, macrolide antibiotics, anti-viral medications, and nefazodone) [see Drug Interactions (7.1) ] .
Concomitant use of strong CYP3A4 inhibitors (select azole anti-fungals, macrolide antibiotics, anti-viral medications and nefazodone).
Steps to Prevent or Reduce the Risk of Myopathy and Rhabdomyolysis The concomitant use of strong CYP3A4 inhibitors with VYTORIN is contraindicated.
Intervention: Concomitant use of strong CYP3A4 inhibitors with VYTORIN is contraindicated [see Contraindications (4) ] .
If treatment with a CYP3A4 inhibitor is unavoidable, suspend VYTORIN during the course of strong CYP3A4 inhibitor treatment.
From the Atazanavir (REYATAZ) label · effective 2024-12-05
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…
Lipid-modifying agents HMG-CoA reductase inhibitors: lovastatin, simvastatin ↑ lovastatin ↑ simvastatin Coadministration of REYATAZ with lovastatin or simvastatin is contraindicated.
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Open in the checkerNot 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.