Drug interactions
Cabergoline + Droperidol
Severity: Major
Cabergoline and Droperidol: 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
Droperidol blocks dopamine D2 receptors, directly opposing the dopamine agonist action of cabergoline. This can reduce cabergoline's effect on prolactin suppression or on Parkinson symptoms. Droperidol also prolongs the QT interval, which is a separate concern.
What this interaction means in plain words
Cabergoline and Droperidol 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 droperidol in patients treated with cabergoline, particularly those with Parkinson disease, and use a non-dopamine-blocking antiemetic such as ondansetron if one is needed (mindful of QT risk).
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 Droperidol?
MediHelp rates the interaction as major. Cabergoline and Droperidol 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. Droperidol blocks dopamine D2 receptors, directly opposing the dopamine agonist action of cabergoline. This can reduce cabergoline's effect on prolactin suppression or on Parkinson symptoms. Droperidol also prolongs the QT interval, which is a separate concern.
How serious is the interaction between Cabergoline and Droperidol?
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 droperidol in patients treated with cabergoline, particularly those with Parkinson disease, and use a non-dopamine-blocking antiemetic such as ondansetron if one is needed (mindful of QT risk).
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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