Heart Disease 8. They are referred to as potassium-depleting because they cause the body to lose potassium as well as water. Potassium-depleting diuretics also cause the body to lose magnesium . Thiazide diuretics are used to lower blood pressure in people with high blood pressure . Diuretics are also used to reduce water accumulation caused by other diseases.
Thiazide diuretics are also combined with other drugs to treat various conditions.
As a result, it may be less important for some people taking thiazide diuretics to supplement calcium than other people. 3 Magnesium loss induced by potassium-depleting diuretics can cause additional potassium loss. Evaluating whether potassium loss is increased by magnesium depletion can be difficult. Until more is known, it has been suggested that people taking potassium-depleting diuretics, including thiazide diuretics, should supplement both potassium and magnesium. 4 People taking thiazide diuretics should be monitored by their prescribing doctor, who will prescribe potassium supplements if needed.