Candesartan and Potassium interaction
Candesartan and Potassium: the Candesartan prescribing label flag this combination with the strongest language, such as a contraindication, a boxed warning, or an instruction to avoid it.
Do not combine without a prescriber's guidance. The label language below is the strongest FDA uses.
What the FDA labels say
Curated guidance for Potassium
These medicines reduce potassium excretion; adding potassium supplements or salt substitutes can cause hyperkalemia, which affects heart rhythm.
From the Candesartan (Candesartan cilexetil) label · effective 2026-01-15
Agents Increasing Serum Potassium Co-administration of candesartan cilexetil with potassium sparing diuretics, potassium supplements, potassium-containing salt substitutes or other drugs that raise serum potassium levels may result in hyperkalemia.
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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.