Translation

服用量 / 一回分 / 投与量

Meaning

A specific amount of a medicine or drug to be taken at one time.

Examples

• The recommended dose for this medication is two tablets per day.
  この薬の推奨服用量は1日2錠です。
• He accidentally took a double dose of his sleeping pills.
  彼は誤って睡眠薬を2回分（倍量）飲んでしまった。