Hydroxychloroquine and Praziquantel interaction
Hydroxychloroquine and Praziquantel: the Hydroxychloroquine prescribing label describes an interaction that usually calls for monitoring, a dose change, or spacing the doses.
Usually manageable with monitoring or a dose change. Tell your pharmacist you take both.
What the FDA labels say
From the Hydroxychloroquine (Plaquenil) label · effective 2026-04-09
Praziquantel Chloroquine has been reported to reduce the bioavailability of praziquantel.
Interaction of praziquantel with hydroxychloroquine cannot be ruled out.
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.