Drug interactions
Cabergoline + Trifluoperazine
Severity: Major
Cabergoline and Trifluoperazine: major 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
Trifluoperazine is a phenothiazine with strong D2 blockade that opposes cabergoline. The result may be reduced efficacy for hyperprolactinemia or Parkinson disease, and prolactin may rise.
What this interaction means in plain words
Cabergoline and Trifluoperazine can interact in a way that may be serious. Using them together is sometimes necessary, but it needs a deliberate decision by the prescriber, a plan for monitoring, and clear advice on the warning signs to watch for.
Why it happens
Pharmacodynamic antagonism at dopamine D2 receptors.
What to do
Avoid the combination where possible; consider a prolactin-sparing antipsychotic and monitor prolactin and clinical response.
What to ask your pharmacist
- Does the benefit of taking both outweigh the risk in my case?
- Do I need any blood test, ECG or other check while on both?
- What early warning signs should I watch for, and what should I do if they appear?
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Other interactions of Cabergoline
Frequently asked questions
Can I take Cabergoline with Trifluoperazine?
MediHelp rates the interaction as major. Cabergoline and Trifluoperazine can interact in a way that may be serious. Using them together is sometimes necessary, but it needs a deliberate decision by the prescriber, a plan for monitoring, and clear advice on the warning signs to watch for. Trifluoperazine is a phenothiazine with strong D2 blockade that opposes cabergoline. The result may be reduced efficacy for hyperprolactinemia or Parkinson disease, and prolactin may rise.
How serious is the interaction between Cabergoline and Trifluoperazine?
MediHelp rates it major, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Avoid the combination where possible; consider a prolactin-sparing antipsychotic and monitor prolactin and clinical response.
What other medicines interact with Cabergoline?
MediHelp also lists interactions of Cabergoline with, for example, Benperidol, Chlorpromazine, Clarithromycin. The full list is on the Cabergoline page.
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