人体摄入过量的 vitA 或 vitAD(注射或口服),引起中毒反应,产生皮肤损害和骨骼的改变,谓之 vitA 过多症。临床上可以分为急性和慢性两类。最近在武汉市儿童医院住院患儿中,见一例四岁男孩因长期服用过量 vitAD 而发生慢性中毒。由于我国社会主义制度的优越性,人民生活水平逐日提高, Ingestion of vitA or vitAD (injections or orally) into the body causes toxic reactions, resulting in skin damage and changes in the skeleton, which means vitA hyperactivity disorder. Clinically divided into acute and chronic categories. Recently in Wuhan Children’s Hospital hospitalized children, see a four-year-old boy due to prolonged use of excess vitAD and chronic poisoning occurred. Due to the superiority of our socialist system and the rising standard of living of the people,