It is a vast term describing the imbalance of the natural hormone level. Inside the body, there are different types of glands like pituitary, thyroid, adrenal and pineal gland. Each of them is responsible for the production of its respective hormone to regulate the specific function of the body like thyroid gland produces T3and T4 to regulate calcium levels in the body and some metabolic function. Any damage or malfunction of the gland cause poor or high production of the respective hormone as in case of thyroid gland hypothyroidism or hyperthyroidism may occur. Usually, this disorder is treated by respective hormonal therapy.