take effect

of a drug usually of a law

Japanese Meaning

（薬などが）効果を発揮し始める、効能が表れる。 / （法律などが）発効する、施行される。

The new painkiller will take effect within thirty minutes, easing her discomfort.

新しい鎮痛薬は30分以内に効き始め、彼女の不快感を和らげます。

Sense（1）

(of a drug, etc.) To become active; to become effective.

The medication won't begin to take effect for 3-4 hours.

Sense（2）

(of a law, etc.) To come into force, to come into effect, to inure.

takes effect

（ present singular third-person ）

taking effect

（ participle present ）

took effect

（ past ）

taken effect

（ participle past ）