When suffering from the disease of hypothyroidism, patients need to actively cooperate with doctors to treat the disease, so that the harm suffered by the patients will be minimized. After suffering from this disease, many patients have questions, hypothyroidism is serious? We are now going to provide you with a specific introduction. For this disease, hypothyroidism, also known as hypothyroidism, is due to the synthesis of thyroid hormones, secretion or biological effects caused by insufficient systemic symptoms, the primary one is common, followed by the pituitary, and other are rare. Initially, patients may have symptoms such as fear of cold, dry skin with little sweat, roughness, yellowing, coldness, sparse and dry hair, brittle and cracked nails, fatigue, drowsiness, poor memory, mental retardation, slow reaction time, mild anemia, weight gain, etc. In severe cases, it will cause the following damages to the patient’s body. Is hypothyroidism serious? Among the hazards caused by the disease to the patient are: digestive system: it will make the patient’s appetite, constipation, abdominal distension, and even paralytic intestinal obstruction, about half of the patients have a complete lack of gastric acid. Endocrine system: male impotence, female menorrhagia, chronic disease is also hungry amenorrhea, adrenocortical function is low, blood and urine cortisol decreased. Special manifestations: pale and waxy face, puffy face, dull gaze, puffy eyelids, indifferent expression, few words, hoarse speech, slurred speech. Reproductive system: males may have underdeveloped sexual function, delayed sexual maturity, backwardness of paraphysical signs, loss of libido, impotence and testicular atrophy. Women may have irregular menstruation, excessive menstrual bleeding or amenorrhea, and are generally infertile. Fertility can be affected in both male and female patients. Muscle and joint system: slow and delayed muscle contraction and relaxation, muscle pain and stiffness, slow bone metabolism, decreased bone formation and resorption, joints are not functioning, there is a sense of ankylosis, aggravated by cold, like chronic arthritis, and occasional joint effusion. Psychoneurological system: memory loss, mental retardation, slow reaction, drowsiness, depression, sometimes anxiety with psychotic manifestations, severe cases develop into suspicious schizophrenia, later dementia, ring hallucinations, stiffness or lethargy. Cardiovascular system: slow heart, heart sound is weak, the heart is universally enlarged, often accompanied by pericardial effusion, but also after the disease of myocardial fiber swelling, mucus glycoprotein (PAS staining positive) deposition and interstitial fibrosis called hypothyroidism cardiomyopathy. Warm tips: Although hypothyroidism is very harmful, patients do not have to worry too much, the treatment of hypothyroidism can be expected, it is best to be able to treat early in the onset of the disease can be early recovery, it is best to the regular thyroid hospital for effective treatment, not only the hospital equipment is advanced, medical experience is also rich, and can be an early day to restore health.