Drug interactions
Fluphenazine + Zolpidem
Severity: Moderate
Fluphenazine and Zolpidem: 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
Combining zolpidem with fluphenazine may produce additive sedation and reduced psychomotor performance. The effect is generally less pronounced than with low-potency phenothiazines but still matters for driving and falls.
What this interaction means in plain words
Fluphenazine and Zolpidem 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.
Fluphenazine belongs to Central Nervous System; Zolpidem belongs to Central Nervous System.
Why it happens
Additive CNS depression from zolpidem GABA-A agonism and antipsychotic central receptor blockade.
What to do
Start with the lowest zolpidem dose and counsel on daytime impairment and driving. Monitor sedation, particularly in older or frail patients.
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 Zolpidem
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 Fluphenazine with Zolpidem?
MediHelp rates the interaction as moderate. Fluphenazine and Zolpidem 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. Combining zolpidem with fluphenazine may produce additive sedation and reduced psychomotor performance. The effect is generally less pronounced than with low-potency phenothiazines but still matters for driving and falls.
How serious is the interaction between Fluphenazine and Zolpidem?
MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Start with the lowest zolpidem dose and counsel on daytime impairment and driving. Monitor sedation, particularly in older or frail patients.
What other medicines interact with Zolpidem?
MediHelp also lists interactions of Zolpidem with, for example, Calcium / magnesium / potassium / sodium oxybates, Sodium oxybate, Benzhydrocodone / acetaminophen. The full list is on the Zolpidem page.
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