Unverified80% confidenceTradeoffTime unknown
湿润型棉头保湿越好清洁越省力，但含酒精成分会刺激耳道破损处引起疼痛；干型温和但对干硬耳垢无溶解力，需先滴洗耳液软化再擦
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Unverified含酒精（乙醇/异丙醇）的清洁液虽然溶垢快、干得快，但会刺激已有破损的耳道并造成疼痛，仅适合健康耳道日常护理；耳道有红肿或抓伤时应选无酒精、以水杨酸/乳酸为溶垢成分的温和型87% similarUnverified含酒精/异丙醇的洗耳液清洁力强但刺激大，耳道有破损或炎症时使用会引起剧痛和抗拒；急性发炎期应选无酒精的水杨酸或生理性温和配方85% similarUnverified耳道已有破损、抓伤或出血时，禁用含高浓度酒精/异丙醇的收敛型洗液，会造成剧烈刺痛并延迟愈合，应选用无酒精的温和生理性配方84% similarUnverified耳道清洁液应选含硼酸或水杨酸的温和配方且瓶口设计柔软，避免含酒精的刺激性产品；清洁频率每2-4周一次即可，过度清洁反而破坏耳道自净能力81% similarUnverified耳道有溃疡、破损或鼓膜穿孔（表现为大量血水样分泌物）时禁用含酒精或水杨酸的滴耳液，应选择生理盐水或含氯己定的温和配方，酒精会强烈刺激破损黏膜并可能进入中耳致耳聋80% similar
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