Haloperidol and Metoclopramide: Drug Interaction Guide
Quick answer: This is a major interaction — avoid combining Haloperidol and Metoclopramide unless specifically directed by your doctor.
How Haloperidol interacts with Metoclopramide
Both drugs antagonize central dopamine D2 receptors, markedly increasing acute dystonia, parkinsonism, tardive dyskinesia, and neuroleptic malignant syndrome risk.
What you should do
Avoid concomitant use. Choose an antiemetic without substantial dopamine antagonism and assess promptly if rigidity, fever, or altered mental status develops.
Key facts
Severity
Major — avoid combination
Mechanism
Both drugs antagonize central dopamine D2 receptors, markedly increasing acute dystonia, parkinsonism, tardive dyskinesi...
Action
Avoid concomitant use. Choose an antiemetic without substantial dopamine antagonism and assess promptly if rigidity, fev...
Frequently asked questions
Can I take Haloperidol and Metoclopramide together?
No — this combination should generally be avoided. Avoid concomitant use. Choose an antiemetic without substantial dopamine antagonism and assess promptly if rigidity, fever, or altered mental status develops.
What is the severity of this interaction?
The interaction between Haloperidol and Metoclopramide is classified as Major — avoid combination. Both drugs antagonize central dopamine D2 receptors, markedly increasing acute dystonia, parkinsonism, tardive dyskinesia, and neuroleptic malignant syndrome risk.
What should I do if I'm prescribed both?
Avoid concomitant use. Choose an antiemetic without substantial dopamine antagonism and assess promptly if rigidity, fever, or altered mental status develops. Always consult your prescribing clinician — do not stop or change medications without medical guidance.
Last reviewed: by iMedic Medical Editorial Team. Our editorial process.