Immediate effectiveness: the quality of a drug, measure, or action that produces effects quickly after application; commonly used in medicine, marketing, and everyday speech.
この風邪薬は即効性があるので、症状がつらいときに便利だ。
This cold medicine works quickly, so it's useful when symptoms are severe.
短期的な売上を狙う広告は即効性を重視することが多い。
Advertisements aiming for short-term sales often emphasize immediate effectiveness.
即効性がある治療は効果が早い反面、副作用の管理が重要だ。
While treatments with immediate effects act quickly, managing side effects is important.