Methimazole and Sunitinib interaction
Methimazole and Sunitinib: the Sunitinib prescribing label describes an interaction that usually calls for monitoring, a dose change, or spacing the doses.
Usually manageable with monitoring or a dose change. Tell your pharmacist you take both.
What the FDA labels say
From the Sunitinib (SUTENT) label · effective 2026-02-20
• Thyroid Dysfunction : Monitor thyroid function at baseline, periodically during treatment, and as clinically indicated.
Initiate and/or adjust therapy for thyroid dysfunction as appropriate.
Monitor thyroid function at baseline, periodically during treatment and as clinically indicated.
Monitor patients closely for signs and symptoms of thyroid dysfunction, including hypothyroidism, hyperthyroidism, and thyroiditis, during treatment with SUTENT.
Initiate and/or adjust therapies for thyroid dysfunction as appropriate.
Taking more than these two? Interactions stack. Check your whole list at once; it stays in your browser.
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.