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yiyizunbao@126.com问:我的孩子6岁多,最近我们发现他的外耳道结了一层薄薄的黄痂,用棉签轻轻擦拭,能把黄痂带出来,而且棉签表面有些潮湿。请问,这是由什么原因造成的?需要到医院治疗吗?
yiyizunbao@126.com Q: My child is more than 6 years old. Recently, we found that his external auditory canal has a thin yellow crust and gently wipe it with a cotton swab to bring out the yellow callus and the surface of the cotton swab is moist. Excuse me, what is the cause of this? Need to go to the hospital for treatment?