Leflunomide and Rosuvastatin interaction

Leflunomide and Rosuvastatin: both prescribing labels describe an interaction that usually calls for monitoring, a dose change, or spacing the doses.

Moderate

Usually manageable with monitoring or a dose change. Tell your pharmacist you take both.

What the FDA labels say

From the Leflunomide (Arava) label · effective 2025-06-04

Moderate

Rosuvastatin: The dose of rosuvastatin should not exceed 10 mg once daily in patients taking ARAVA.

Drug interactionsnames RosuvastatinView label on DailyMed
Moderate

For a patient taking ARAVA, the dose of rosuvastatin should not exceed 10 mg once daily.

Drug interactionsnames RosuvastatinView label on DailyMed

From the Rosuvastatin (Crestor) label · effective 2026-04-29

Minor

IMNM is characterized by proximal muscle weakness and elevated serum creatine kinase that persist despite discontinuation of statin treatment; positive anti-HMG CoA reductase antibody; muscle biopsy showing necrotizing myopathy; and improvement with immunosuppressive agents.

Warnings and precautionsby drug classView label on DailyMed
Minor

Treatment with immunosuppressive agents may be required.

Warnings and precautionsby drug classView label on DailyMed

Taking more than these two? Interactions stack. Check your whole list at once; it stays in your browser.

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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.