副反応

fukuhan'nō

noun★Intermediate— side effect

🏥Medicine

technical

An unintended or secondary effect of a medication or treatment, often undesirable.

副反応として頭痛や吐き気が起こることがあります。

Headaches and nausea may occur as side effects.

💡

In medical contexts, this term refers specifically to adverse reactions to drugs or treatments.

Collocations

副反応が出るto experience side effects副反応を避けるto avoid side effects

side effect

This term is most commonly used in medical discussions about drug treatments.

In medical contexts, distinguish between '副反応' (side effects) and '主作用' (primary effects).

From 副 (fuku, meaning 'secondary') + 反応 (han'nō, meaning 'reaction').

In everyday Japanese, this term is often used in medical contexts but can also refer to unintended consequences in general.

副

secondary

prefix

反応

reaction

root

和英辞典