Drug interactions
Ethanol + Fluphenazine
Severity: Moderate
Ethanol and Fluphenazine: moderate interaction.
Last updated
For healthcare professionals — reference only. This page is a brief summary, not medical advice and not a substitute for official labeling or clinical judgement. Always verify before prescribing or dispensing.
Summary
Alcohol and fluphenazine both depress the CNS, so drinking during treatment can cause greater drowsiness, impaired judgment and coordination, and hypotension. Alcohol may also worsen psychiatric symptoms and compromise adherence.
What this interaction means in plain words
Ethanol and Fluphenazine can affect each other. The combination is often manageable, but it may need a change of dose, a change of timing, or extra checks while both are taken.
Why it happens
Additive central nervous system depression and vasodilatory or hypotensive effects.
What to do
Advise patients to avoid alcohol while taking fluphenazine. Monitor for oversedation and orthostatic hypotension if alcohol use occurs.
What to ask your pharmacist
- Should I take them at different times of day?
- Does the dose of either medicine need to change?
- Is there anything I should avoid, such as alcohol or certain foods, while on both?
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Other interactions of Fluphenazine
- Arsenic trioxide + Fluphenazine Contraindicated
- Dofetilide + Fluphenazine Contraindicated
- Fluphenazine + Ibutilide Contraindicated
- Fluphenazine + Pimozide Contraindicated
- Adagrasib + Fluphenazine Major
- Alfentanil + Fluphenazine Major
Frequently asked questions
Can I take Ethanol with Fluphenazine?
MediHelp rates the interaction as moderate. Ethanol and Fluphenazine can affect each other. The combination is often manageable, but it may need a change of dose, a change of timing, or extra checks while both are taken. Alcohol and fluphenazine both depress the CNS, so drinking during treatment can cause greater drowsiness, impaired judgment and coordination, and hypotension. Alcohol may also worsen psychiatric symptoms and compromise adherence.
How serious is the interaction between Ethanol and Fluphenazine?
MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Advise patients to avoid alcohol while taking fluphenazine. Monitor for oversedation and orthostatic hypotension if alcohol use occurs.
What other medicines interact with Fluphenazine?
MediHelp also lists interactions of Fluphenazine with, for example, Arsenic trioxide, Dofetilide, Ibutilide. The full list is on the Fluphenazine page.
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