noun
overdosage; overdose
Medical term for administering an excessive dose of a drug or treatment.
過剰投与は深刻な副作用を引き起こす可能性がある。
Overdosage can cause serious side effects.
Similar meaning; 過剰投与 emphasizes excess beyond what is needed, while 過量投与 focuses on exceeding the proper quantity.
Compound of 過剰 (excess) and 投与 (administration).