It is important to note, however, that this is only a guideline. You should talk to your doctor or pharmacist about how and when to take any prescribed drug. They are used primarily for treating high blood pressure. Other diuretics tend to reduce the amount of potassium in the body. But potassium sparing diuretics help retain or spare this electrolyte.
Potassium is vital to body functions, including muscle contraction.
See accompanying list for brand names. Untreated, high blood pressure can cause serious problems such as heart failure, blood vessel disease, stroke, or kidney failure. People taking this medicine for high blood pressure may have to take it the rest of their lives, even though they may not feel sick. In addition to the drug, doctors may also prescribe a low-salt diet to help reduce hypertension. The medicine is usually more effective when the diet is followed properly.