Drug interactions
Carisoprodol + Fluphenazine
Severity: Moderate
Carisoprodol 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
Both drugs cause CNS depression, so combined use can produce marked drowsiness, impaired coordination and slowed thinking. Fluphenazine may also cause orthostatic hypotension, which adds to fall risk.
What this interaction means in plain words
Carisoprodol 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.
Carisoprodol belongs to Musculoskeletal; Fluphenazine belongs to Central Nervous System.
Why it happens
Additive CNS depressant effects.
What to do
Use the lowest effective doses and monitor for oversedation and orthostatic hypotension. Counsel the patient about driving and avoid alcohol.
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 Carisoprodol
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 Carisoprodol with Fluphenazine?
MediHelp rates the interaction as moderate. Carisoprodol 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. Both drugs cause CNS depression, so combined use can produce marked drowsiness, impaired coordination and slowed thinking. Fluphenazine may also cause orthostatic hypotension, which adds to fall risk.
How serious is the interaction between Carisoprodol 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: Use the lowest effective doses and monitor for oversedation and orthostatic hypotension. Counsel the patient about driving and avoid alcohol.
What other medicines interact with Carisoprodol?
MediHelp also lists interactions of Carisoprodol with, for example, Alfentanil, Alprazolam, Amobarbital. The full list is on the Carisoprodol page.
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