Fluconazole and Nortriptyline interaction

Fluconazole and Nortriptyline: the Fluconazole prescribing label describe 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 Fluconazole label · effective 2026-04-02

Moderate

Amitriptyline, nortriptyline Fluconazole increases the effect of amitriptyline and nortriptyline.

Drug interactionsnames NortriptylineView label on DailyMed
Moderate

Dosage of amitriptyline/nortriptyline should be adjusted, if necessary.

Drug interactionsnames NortriptylineView label on DailyMed
Minor

5-Nortriptyline and/or S-amitriptyline may be measured at initiation of the combination therapy and after 1 week.

Drug interactionsnames NortriptylineView label on DailyMed

Taking more than these two? Interactions stack. Check your whole list at once; it stays in your browser.

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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.