Diuretics for High Blood Pressure

Thiazide diuretics are recommended as the first line of treatment for high blood pressure. They are usually recommended as one of at least two medicines to control high blood pressure.

Quinazoline diuretics are similar to the thiazide diuretics, but are used only in certain people such as those with kidney problems and when other diuretics have not worked.

Loop diuretics are prescribed for people who also have Reference heart failure Opens New Window, kidney problems, or swelling in their legs (edema). But they are rarely prescribed for people who have high blood pressure alone.

Potassium-sparing diuretics might be used, along with other diuretics, if you have low potassium levels.^{Reference 1}

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