Endocrine disorders are changes in hormone levels that refer to certain types of disorders, such as thyroid hormone imbalance causing hyper- or hypothyroidism. Endocrine hormone level imbalance may have symptoms such as agitation, irritability and insomnia, rapid heartbeat, or chills, fatigue and drowsiness. 1. Symptoms of hyperthyroidism: agitation, restlessness, insomnia, rapid heartbeat, fatigue, fear of heat, excessive sweating, weight loss, hyper appetite, increased stool frequency or diarrhea, scanty menstruation in women, etc. 2. Typical patients may show chills, fatigue, feeling of swelling in hands and feet, drowsiness, memory loss, less sweating, joint pain, weight gain, constipation, female menstrual disorders, or menorrhagia, infertility. It is recommended that patients with endocrine hormone imbalance go to the endocrinology department of regular hospitals for detailed counseling.