side effect ·noun (MEDICINE)

Definition: another effect that a drug has on your body in addition to the main effect for which the doctor has given you the drug Level: C1

头痛是这种药物的一个副作用。

Headaches are one ___side ___effect of this drug.

新疗法旨在有效且没有任何有害的副作用。

The new treatment aims to be effective without any harmful ___side ___effects.

患者在服药前应了解潜在的副作用。

Patients should be aware of potential ___side ___effects before taking medication.