一、头痛是头颅上半部的疼痛,不包括面部、咽喉及耳内的疼痛。头痛是一个症状,婴幼儿常常不能诉说,而是以撞头、烦躁、哭闹来表示;年龄大一点的儿童多数能诉说头痛的感受和部位。二、引起头痛的原因比较复杂。首先要区别是由颅外疾病还是由颅内疾病引起的。尤其是突然发生的头痛,伴有发热时,首先要排除颅内感染。缓慢而进行 First, the headache is the first half of the head pain, does not include the face, throat and ear pain. Headache is a symptom, infants and young children often can not tell, but to head, irritability, crying to indicate; older children most can tell the headache of the feelings and parts. Second, the cause of headaches is more complicated. The first difference is caused by extracranial disease or caused by intracranial disease. Especially sudden headache, accompanied by fever, we must first rule out intracranial infection. Slowly