对因治疗（etiological treatment）指针对疾病根本原因进行治疗（如施药），也称治本[1]，例如用抗生素杀灭病原微生物[2]。对症治疗则是针对疾病所导致的症状加以医治和缓解[3][4]。在病症严重时可能“标本兼治”以利恢复，而病症危及生命时则优先采取对症治疗[3]。
参考文献
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