Cabergoline and Posaconazole interaction
Cabergoline and Posaconazole: the Posaconazole 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 Posaconazole (NOXAFIL) label · effective 2026-02-13
Use with Ergot Alkaloids Noxafil may increase the plasma concentrations of ergot alkaloids (ergotamine and dihydroergotamine) which may lead to ergotism [see Drug Interactions (7.2) ].
Prevention or Management Ergotamine, Dihydroergotamine Concomitant use with posaconazole is contraindicated.
Posaconazole may increase the plasma concentrations of ergot alkaloids (ergotamine and dihydroergotamine) which may lead to ergotism.
Ergot Alkaloids Mechanism and Clinical Effect(s) Most of the ergot alkaloids are CYP3A4 substrates.
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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.