Granisetron and Ketoconazole interaction
Granisetron and Ketoconazole: the Granisetron prescribing label mentions this combination without an instruction to avoid it or change the dose.
Mentioned, no instruction to avoid. Worth knowing; rarely a reason to change anything on its own.
What the FDA labels say
From the Granisetron (Granisetron Hydrochloride) label · effective 2025-04-24
In in vitro human microsomal studies, ketoconazole inhibited ring oxidation of granisetron hydrochloride.
However, the clinical significance of in vivo pharmacokinetic interactions with ketoconazole is not known.
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.