Midazolam and Toremifene interaction

Midazolam and Toremifene: the Toremifene prescribing label describes an interaction that usually calls for monitoring, a dose change, or spacing the doses.

Moderate

Usually manageable with monitoring or a dose change. Tell your pharmacist you take both.

What the FDA labels say

From the Toremifene (Fareston) label · effective 2024-11-13

Moderate

Effect of Toremifene on CYP3A4 Substrates In a study of 20 healthy subjects, 2 mg midazolam once daily (days 6 and 18) coadministered with toremifene as a 480 mg loading dose followed by 80 mg once daily for 16 days.

Drug interactionsnames MidazolamView label on DailyMed
Moderate

Following coadministration on days 6 and 18 relevant increases in midazolam and α-hydroxymidazolam Cmax and AUC were not observed.

Drug interactionsnames MidazolamView label on DailyMed
Moderate

Following coadministration on day 18 midazolam and α-hydroxymidazolam Cmax and AUC were reduced by less than 20%.

Drug interactionsnames MidazolamView 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.