藥ㄧㄠˋyào到ㄉㄠˋdào病ㄅㄧㄥˋbìng除ㄔㄨˊchú

形容藥效很好或醫術高明。如：「他是位名醫，往往能使病人藥到病除。」似藥到回春反不可救藥、醫藥罔效

英lit. the disease is cured the moment the medicine is taken (idiom), fig. (of a medical treatment) to give instant results, (of a solution or method) highly effective