Hypothyroidism is clinically known as hypothyroidism and is a possible cause of panic and shortness of breath. Typical symptoms of hypothyroidism include changes in the cardiovascular system, respiratory system, hypometabolic syndrome, psychoneurologic system, and skin. 1. Cardiovascular system: It shows angina pectoris, panic, heart enlargement, pericardial effusion and other problems, which are clinically known as hypothyroid heart disease. 2. Respiratory system: patients with hypothyroidism may be accompanied by pleural effusion and may show symptoms such as dyspnea and shortness of breath. 3. Hypometabolic syndrome: such as less sweating, slower speech, poorer blood circulation, always feeling tired, weight gain and other discomforts. 4. Psycho-neurological system: Mild patients may show loss of comprehension, memory and attention; severe patients may show fantasies, mute, lethargy or convulsions. 5. Skin problems: the face has puffiness, dull expression, muffled voice, unclear pronunciation, dry and cold skin, etc. In addition to the above, patients with hypothyroidism may also show constipation, bloating, loss of appetite, developmental delay, menstrual disorders, muscle atrophy, dry hair and other symptoms. If any of these symptoms exist, you should go to the hospital and follow the doctor’s instructions for treatment.