Pheochromocytoma is an important cause of secondary Hypertension. We have adnenal gland located at upper portion of each kidney. It is divided into adrenal cortex and adrenal medulla. Pheochromocytoma is a tumor of Adrenal Medulla. Normal function of adrenal medulla is to produce epinephrine or adrenaline. Which is responsible for controlling blood pressure and to help cope with stressful situations.
So majority of symptoms of pheochromocytoma are due to excess secretion of adrenaline from adrenal medulla. Most patients of pheochromocytoma have recurrent episodes of headache, sweating and a feeling of high anxiety. The following symptoms are listed from the most common to the least common
Headaches (severe)
sweating Episodes (generalized)
heart palpitations (tachycardia and palpitations)
Anxiety
nervousness (feelings of impending death)
tremors
Pain in the lower chest or upper abdomen
Nausea (with or without nausea)
Weight loss
Heat intolerance
These symptoms may come by situations which causes pressure over tumor like physical activity, exercise, defecation, anesthesia, or change in body...