Fluphenazine has 5 known drug interactions based on U.S. FDA drug labeling data. 2 are classified as major interactions requiring close medical supervision. Notable interactions include combinations with Clonidine, Clonidine Hydrochloride, Ascorbic Acid. Patients taking Fluphenazine should inform their healthcare provider of all current medications — including over-the-counter drugs and supplements — to avoid potentially harmful combinations. Data sourced from OpenFDA and the NIH National Library of Medicine.
- Total
- 5
- Major
- 2
- Moderate
- 3
Major (2)
- Fluphenazine + Clonidine— One reported case of acute delirium with simultaneous use of fluphenazine and oral clonidine; symptoms resolved when clo…
- Fluphenazine + Clonidine Hydrochloride— One reported case of acute delirium associated with simultaneous use of fluphenazine and oral clonidine; symptoms resolv…
Moderate (3)
- Fluphenazine + Ascorbic Acid— Concurrent administration of ascorbic acid and fluphenazine may result in decreased fluphenazine plasma concentrations. …
- Fluphenazine + Metoprolol— Potent CYP2D6 inhibitor may increase plasma concentration of metoprolol, decreasing cardioselectivity.
- Fluphenazine + Metoprolol Tartrate— Potent CYP2D6 inhibitor may increase metoprolol plasma concentration, decreasing cardioselectivity.