Clonidine and Phentolamine interaction
Clonidine and Phentolamine: the Clonidine prescribing label mentions this combination without an instruction to avoid it or change the dose.
Minor
Mentioned, no instruction to avoid. Worth knowing; rarely a reason to change anything on its own.
What the FDA labels say
From the Clonidine (QLONILIK) label · effective 2026-08-12
Minor
If rebound hypertension occurs, reverse hypertensive crisis with oral clonidine or IV phentolamine.
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.