Haloperidol and Pramipexole interaction
Haloperidol and Pramipexole: both prescribing labels flag this combination with the strongest language, such as a contraindication, a boxed warning, or an instruction to avoid it.
Do not combine without a prescriber's guidance. The label language below is the strongest FDA uses.
What the FDA labels say
From the Haloperidol (Haldol Decanoate) label · effective 2025-11-11
For conditions other than Parkinson's disease and dementia with Lewy bodies, when possible, avoid concomitant use of HALDOL DECANOATE with dopaminergic drugs [see Warnings and Precautions (5.7) ] .
Dopaminergic Drugs Clinical Impact Haloperidol may antagonize the effects of levodopa, dopamine agonists, and other drugs intended to increase dopamine levels.
From the Pramipexole (Pramipexole Dihydrochloride) label · effective 2026-01-26
Hyperpyrexia and Confusion Although not reported with pramipexole in the clinical development program, a symptom complex resembling the neuroleptic malignant syndrome (characterized by elevated temperature, muscular rigidity, altered consciousness, and autonomic instability), with no other obvious etiology, has been reported in association with rapid dose reduction,…
Dopamine Antagonists Since pramipexole is a dopamine agonist, it is possible that dopamine antagonists, such as the neuroleptics (phenothiazines, butyrophenones, thioxanthenes) or metoclopramide, may diminish the effectiveness of pramipexole dihydrochloride tablets.
Taking more than these two? Interactions stack. Check your whole list at once; it stays in your browser.
Open in the checkerNot medical advice. Interaction Checker quotes FDA label text and NIH fact sheets. Whether an interaction matters for you depends on doses, timing, kidney and liver function, and other conditions. Confirm with a pharmacist or prescriber.