Chlorothiazide and Mecamylamine interaction
Chlorothiazide and Mecamylamine: both prescribing labels describe 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 Chlorothiazide (DIURIL) label · effective 2021-11-01
Thiazides may add to or potentiate the action of other antihypertensive drugs.
Other Antihypertensive Drugs - additive effect or potentiation.
From the Mecamylamine (Vecamyl) label · effective 2025-02-20
The action of Mecamylamine HCl may be potentiated by anesthesia, other antihypertensive drugs and alcohol.
When ganglion blockers or other potent antihypertensive drugs are discontinued suddenly, hypertensive levels return.
When Mecamylamine HCl is withdrawn, this should be done gradually and other antihypertensive therapy usually must be substituted.
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.