Drug interactions
Ergoloid mesylates + Fluphenazine
Severity: Moderate
Ergoloid mesylates 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
Ergoloid mesylates have mixed dopaminergic and serotonergic activity and may interact with the dopamine blockade of fluphenazine. Combined use is theoretically linked to reduced efficacy of either drug and possibly to neuroleptic malignant syndrome or serotonin toxicity, although documented cases are scarce.
What this interaction means in plain words
Ergoloid mesylates 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
Pharmacodynamic opposition at dopamine and serotonin receptors; the exact mechanism of any clinical interaction is not well established.
What to do
Monitor for fever, rigidity, autonomic instability, agitation and neuromuscular hyperactivity after starting or changing doses. Stop one or both agents if features of neuroleptic malignant syndrome or serotonin toxicity appear.
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 Ergoloid mesylates with Fluphenazine?
MediHelp rates the interaction as moderate. Ergoloid mesylates 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. Ergoloid mesylates have mixed dopaminergic and serotonergic activity and may interact with the dopamine blockade of fluphenazine. Combined use is theoretically linked to reduced efficacy of either drug and possibly to neuroleptic malignant syndrome or serotonin toxicity, although documented cases are scarce.
How serious is the interaction between Ergoloid mesylates 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: Monitor for fever, rigidity, autonomic instability, agitation and neuromuscular hyperactivity after starting or changing doses. Stop one or both agents if features of neuroleptic malignant syndrome or serotonin toxicity appear.
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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