noun, noun which may take the genitive case particle 'no'
causal treatment; definitive therapy
Medical term for treatment that targets the underlying cause of a disease rather than just symptoms. Often contrasted with 対症療法 (symptomatic treatment).
感染症には原因療法が最も効果的です。
For infectious diseases, causal treatment is the most effective.
原因療
We will treat you by combining causal and symptomatic therapies.