薬が効く

やくがきく

to have medicine be effective

良く良く

よくよく

exceedingly, very

薬石効無く

やくせきこうなく

no medical treatment having proved effective

良薬

りょうやく

good medicine

薬効

やっこう

efficacy of a drug or medicine

良く

よく

nicely, properly, well, skillfully

効く

きく

to be effective, to show 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

薬効物

やっこうぶつ

medically effective ingredient

仲良く

なかよく

on good terms with, on cordial terms with, getting along well with, happily, peacefully

運良く

うんよく

luckily

品良く

ひんよく

properly, in a good manner, sophisticatedly, seemly, in a dignified way

体良く

ていよく からだよく

decently, gracefully, plausibly, politely, tactfully, discreetly

薬石無効

やくせきむこう

neither medicines nor medical care having little effect on a patient

偽薬効果

ぎやくこうか

placebo effect

良くも悪くも

よくもわるくも

for better or worse, for good and bad, regardless of merit, both good and bad

良くなる

よくなる

to become better, to improve

良くある

よくある

is often the case