Darunavir and cobicistat and Probenecid and colchicine interaction

Darunavir and cobicistat and Probenecid and colchicine: the Darunavir and cobicistat 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 Darunavir and cobicistat (PREZCOBIX) label · effective 2026-02-01

Major

Alpha 1-adrenoreceptor antagonist: alfuzosin Anticonvulsants: carbamazepine, phenobarbital, phenytoin Anti-gout: colchicine, in patients with renal and/or hepatic impairment Antimycobacterial: rifampin Antipsychotics: lurasidone, pimozide Cardiac Disorders: dronedarone, ivabradine, ranolazine Ergot derivatives, e.g. dihydroergotamine, ergotamine, methylergonovine…

Contraindicationsnames Probenecid and colchicineView label on DailyMed
Major

Anti-gout: colchicine ↑ colchicine Co-administration is contraindicated in patients with renal and/or hepatic impairment due to potential for serious and/or life-threatening reactions.

Drug interactionsnames Probenecid and colchicineView label on DailyMed
Moderate

For patients without renal or hepatic impairment: Treatment of gout flares – co-administration of colchicine : 0.6 mg (1 tablet) × 1 dose, followed by 0.3 mg (half tablet) 1 hour later.

Drug interactionsnames Probenecid and colchicineView label on DailyMed
Moderate

Prophylaxis of gout flares – co-administration of colchicine : If the original regimen was 0.6 mg twice a day, the regimen should be adjusted to 0.3 mg once a day.

Drug interactionsnames Probenecid and colchicineView label on DailyMed
Moderate

Treatment of familial Mediterranean fever – co-administration of colchicine : Maximum daily dose of 0.6 mg (may be given as 0.3 mg twice a day).

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.