薬効物

やっこうぶつ

medically effective ingredient

偽薬効果

ぎやくこうか

placebo effect

即効薬

そっこうやく

quick-acting remedy, fast-acting medicine

特効薬

とっこうやく

specific medicine, wonder drug, silver bullet

薬が効く

やくがきく

to have medicine be effective

薬石無効

やくせきむこう

neither medicines nor medical care having little effect on a patient

良く効く薬

よくきくくすり

very efficacious medicine

薬石効無く

やくせきこうなく

no medical treatment having proved effective

薬が効きすぎる

くすりがききすぎる

to work too well (of a punishment, reprimand, etc.); to be too much (for someone); to have a stronger effect than intended

効

こう

efficacy, benefit, efficiency, effect, result, success

薬

くすり やく

medicine; pharmaceuticals; (legal) drugs

卓効

たっこう たくこう

great efficiency

余効

よこう

aftereffect, after effect

無効

むこう

invalid, no effect, unavailable, illegal

効用

こうよう

use, utility, effect, benefit

有効

ゆうこう

validity, legality, availability, effectiveness

効率

こうりつ

efficiency, efficacy, performance, utility factor

実効

じっこう

practical effect, efficacy, efficiency

治効

ちこう

treatment efficacy