Itraconazole and Probenecid and colchicine interaction

Itraconazole and Probenecid and colchicine: the Itraconazole 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 Itraconazole (Tolsura) label · effective 2025-04-23

Major

Co-administration with colchicine, fesoterodine and solifenacin is contraindicated in subjects with varying degrees of renal or hepatic impairment.

Boxed warningnames Probenecid and colchicineView label on DailyMed
Major

…may also increase or prolong both the pharmacologic effects and/or adverse reactions to these drugs [see Contraindications (4.1) and Drug Interactions (7.1) ] Co-administration with colchicine, fesoterodine and solifenacin is contraindicated in subjects with varying degrees of renal or hepatic impairment, and Co-administration with eliglustat is contraindicated…

Boxed warningnames Probenecid and colchicineView label on DailyMed
Major

Miscellaneous Drugs and Other Substances Colchicine Patients with renal or hepatic impairment: Contraindicated during and 2 weeks after TOLSURA treatment.

Drug interactionsnames Probenecid and colchicineView label on DailyMed

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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.