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OTC and Supplement Interactions with Antihypertensive Drugs

The interaction between over-the-counter (OTC) medications, supplements, and antihypertensive drugs, and the potential risks associated with these interactions.

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Jan 27, 2026
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What are documented interactions and risks when combining over‑the‑counter blood‑pressure supplements with prescription antihypertensive medications?

or common nonprescription medicines with prescription antihypertensive drugs carries documented risks: some OTC agents directly raise blood pressure or blunt the effect of antihypertensives, while oth...