Grapefruit and Lovastatin interaction
Grapefruit and Lovastatin: the Lovastatin prescribing label 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 Lovastatin label · effective 2026-04-03
…products Gemfibrozil Avoid with lovastatin Cyclosporine Danazol Do not exceed 20 mg lovastatin daily Diltiazem Dronedarone Verapamil Amiodarone Do not exceed 40 mg lovastatin daily Grapefruit juice Avoid grapefruit juice Immune-Mediated Necrotizing Myopathy There have been rare reports of immune-mediated necrotizing myopathy (IMNM), an autoimmune myopathy, associated…
…ketoconazole, posaconazole, voriconazole, clarithromycin, telithromycin, HIV protease inhibitors, boceprevir, telaprevir, nefazodone, erythromycin, and cobicistat-containing products), and grapefruit juice increase the risk of myopathy by reducing the elimination of lovastatin (see CONTRAINDICATIONS , WARNINGS , Myopathy/Rhabdomyolysis , and CLINICAL PHARMACOLOGY , Pharmacokinetics…
Curated guidance for Grapefruit
Grapefruit juice raises blood levels of some statins, increasing the chance of muscle damage. The effect is strongest for simvastatin and lovastatin.
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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.