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1.多汗是小儿常见症状之一。汗是由身体的汗腺分泌的。汗腺是外分泌腺,分布在体表的每一处,有的部位汗腺多一些有的部位少一些;个体之间亦有差异。汗腺的分泌受植物神经的控制,例如:入睡后不久的上半夜,交感神经比较兴奋,所以出汗较多;到了下半夜,副交感神经比较兴奋,所以出汗少。因此,不少家长带孩子来医院诉述:小儿一入睡就满头大汗,到了下半夜很少出汗。这种情况多数属于正常的生理现象。
1. Hyperhidrosis is one of the common symptoms in children. Khan is secreted by the body’s sweat glands. Sweat glands are exocrine glands, located in every part of the body surface, sweat glands in some parts of the site and some more less; there are differences between individuals. The secretion of sweat glands is controlled by the autonomic nerves. For example, the sympathetic nerves are more excited in the first half of the night after falling asleep, so they sweat more. By the middle of the night, the parasympathetic nerves are more excited and less sweating. Therefore, many parents bring their children to the hospital to tell: children go to sleep sweating profusely, and rarely sweat the next night. Most of this is a normal physiological phenomenon.