小儿秋季易出鼻血的原因鼻黏膜分泌液体挥发快秋季气候干燥多风,鼻黏膜分泌的液体挥发较快,鼻腔容易干涩发痒,使小儿忍不止挖鼻孔,一旦挖伤毛细血管,就会发生鼻出血。鼻内毛细血管扩张收缩过于频繁秋天,早、晚温差较大,鼻内毛细血管为了适应外界温度的变化,处在一会儿扩张一会儿收缩的状态。小儿鼻内毛细血管本来就娇嫩,频繁扩张收缩常会导 Easy to fall nosebleeds in children due to the nasal mucosa fluid secretion faster dry autumn windy dry wind, nasal mucosa secreted liquid volatile faster nasal dry itchy, so that children can not tolerate digging the nose, once the scrape capillaries, will occur Epistaxis. Nasal capillary dilatation and contraction is too frequent fall, early, late large temperature difference, intranasal capillaries in order to adapt to changes in the external temperature, while for some expansion in the contraction state. Pediatric intranasal capillaries already delicate, frequent expansion and contraction often guide