Drug interactions
Chasteberry + Fluphenazine
Severity: Minor
Chasteberry and Fluphenazine: minor 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
Chasteberry has dopaminergic activity and may theoretically oppose the dopamine-blocking effect of fluphenazine. Clinical relevance is unproven.
What this interaction means in plain words
Chasteberry and Fluphenazine have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised.
Why it happens
Theoretical pharmacodynamic antagonism of dopamine receptor blockade.
What to do
Ask patients about herbal use and monitor psychiatric symptoms if chasteberry is taken. Advise against its use if symptoms worsen.
What to ask your pharmacist
- Is there anything I should notice while taking both?
- Do I need to tell my doctor at the next visit?
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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 Chasteberry with Fluphenazine?
MediHelp rates the interaction as minor. Chasteberry and Fluphenazine have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Chasteberry has dopaminergic activity and may theoretically oppose the dopamine-blocking effect of fluphenazine. Clinical relevance is unproven.
How serious is the interaction between Chasteberry and Fluphenazine?
MediHelp rates it minor, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Ask patients about herbal use and monitor psychiatric symptoms if chasteberry is taken. Advise against its use if symptoms worsen.
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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