Secondary hypertension is less common and is usually the result of another condition, which include Disorders of the adrenal gland, including Cushing's syndrome (a condition caused by an overproduction of cortisol), Hyperaldosteronism (too much aldosterone) and pheochromocytoma (a rare tumor that causes over secretion of hormones like adrenaline).
The condition that usually Secondary hypertension can be caused by conditions that affect your kidneys, arteries, heart or endocrine system. Secondary hypertension can also occur during pregnancy. Proper treatment often controls both the underlying condition and the high blood pressure caused due to Secondary hypertension, which reduces the risk of serious complications including heart disease, kidney failure and stroke.
Statistics: In Australia the prevalence rate for Secondary hypertension was found to be about over 9% of population suffering from Secondary hypertension in 2007-08. People who were overweight and with high cholesterol levels were more affected by hypertension it was estimated to be approximately about 18% of the population.