drug overdose
Medical and general term for taking an excessive amount of a drug, whether accidental or intentional.
He was rushed to the hospital for a drug overdose.
Even over-the-counter drugs can be dangerous if taken in overdose.
A loanword from English 'overdose', often used in news or casual contexts. 過量服用 is more formal and clinical.
Means 'poisoning' or 'addiction'. 過量服用 refers specifically to the act of taking too much of a drug, while 中毒 covers a broader range of toxic effects.
Compound of 過量 (excessive amount) and 服用 (taking medicine). The term is a straightforward Sino-Japanese medical expression.