Cause : It is caused due to the excessive secretion of thyroxine.
The disease is characterised by increased rate of metabolism, bulging of eyeballs, increased blood pressure and excessive perspiration.
2. Iodine Deficiency Goitre :
Cause : It is caused due to the lack of iodine in food.
Symptoms : It causes enlargement of thyroid gland. It occurs mostly to the people of hilly areas.
3. Cretinism :
Cause : It is caused due to hyposecretion of thyroxine in children.
The person suffering from cretinism shows
stunted growth, mental retardation and low blood pressure.
4. Myxoedema :
Cause : It is caused due to the hyposecretion of thyroxine in adults.
The affected person shows low metabolic rate, body temperature, mental retardationand weakness.