Potassium is present in all body fluids, but most potassium is within your cells, with only a very small amount in the serum or plasma component of the blood

If you have high blood pressure your doctor may recommend lifestyle measures, such as diet and exercise, and possibly also medicines to control your blood pressure. Find out about the different options.

Primary aldosteronism is caused by too much of the hormone aldosterone, resulting in high blood pressure. Primary aldosterone is treated with medication, although sometimes surgery is needed.