Poisoning; the harmful effect on the body caused by toxic substances (e.g., food poisoning, gas poisoning).
食べ物の賞味期限が切れていて、食中毒になった。
The food was past its expiration date and I got food poisoning.
換気をしなかったため、一酸化炭素中毒の危険があった。
Because we didn't ventilate, there was a risk of carbon monoxide poisoning.
薬の誤用で中毒症状が出た場合はすぐ病院へ行くべきだ。
If poisoning symptoms appear from misuse of medicine, you should go to the hospital immediately.
Addiction; used as a suffix to indicate strong dependence or obsession (e.g., game addiction).
彼は最近スマホ中毒で、食事中も画面を見ている。
He's recently become addicted to his smartphone and looks at the screen even during meals.
アルコール中毒から回復するには専門的な治療が必要だ。
Recovering from alcohol addiction requires professional treatment.
『中毒』は病的な依存を指すことも多いので注意して使う。
Be careful when using 'chūdoku' because it often refers to pathological dependence.