癔症在儿童期情绪障碍中患病率不高。但男女均可能发病,青春后期似女性多于男性,年长儿多于幼童,文化和经济不发达地区还有集体发作。病因有的患儿往往在负性精神因素如委屈、气愤、紧张、恐惧及突然的不幸事件作用下急性发病。在首次发病后,再次发病不一定再具有明显的精神因素。也可能在别人谈论或患儿自己回忆第一次发作的体验时在暗示和自 Hysteria in children with mood disorders in the prevalence is not high. However, both men and women are likely to develop disease. In adolescence, there are more women than men, older children than young children, and culturally and economically underdeveloped areas. Some children with etiology are often acute in negative psychological factors such as grievances, anger, tension, fear and sudden unfortunate events. After the first episode, it is not certain that there will be any significant psychiatric episode again. It may also be implied and self-reported when someone talks about or the child recalls the experience of the first attack