Ropinirole and Ziprasidone interaction

Ropinirole and Ziprasidone: both prescribing labels describe an interaction that usually calls for monitoring, a dose change, or spacing the doses.

Moderate

Usually manageable with monitoring or a dose change. Tell your pharmacist you take both.

What the FDA labels say

From the Ropinirole label · effective 2026-01-16

Moderate

Withdrawal-Emergent Hyperpyrexia and Confusion 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 of, withdrawal of, or changes in, dopaminergic therapy.

Warnings and precautionsby drug classView label on DailyMed
Moderate

• Dopamine antagonists (e.g., neuroleptics, metoclopramide): May reduce efficacy of ropinirole.

Drug interactionsby drug classView label on DailyMed
Moderate

Dopamine Antagonists Because ropinirole is a dopamine agonist, it is possible that dopamine antagonists such as neuroleptics (e.g., phenothiazines, butyrophenones, thioxanthenes) or metoclopramide may reduce the efficacy of ropinirole.

Drug interactionsby drug classView label on DailyMed

From the Ziprasidone (Geodon) label · effective 2025-01-13

Minor

• Ziprasidone may antagonize the effects of levodopa and dopamine agonists.

Drug interactionsby drug classView label on DailyMed

Taking more than these two? Interactions stack. Check your whole list at once; it stays in your browser.

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Not 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.