Hypertension is one of the leading causes of mortality and morbidity around the world, and is an important risk factor for chronic disease burden in our country. While 90-95 per cent of patients having high blood pressure have no clear etiology and are classified as having primary or essential hypertension, 5-10 percent of people may have an underlying pathology or a reversible cause behind their high blood pressure (secondary hypertension).
Essential hypertension is usually linked to genetics, poor diet, lack of exercise and obesity. Whereas secondary hypertension may be caused by a number of uncommon causes or diseases-
some not to common yet important and treatable causes of hypertension.