投与(とうよ)

とうよ
noun / suru verb
administration, dosing (of medicine)
1. administration, dosing (of medicine or drugs)
The act of giving medicine, drugs, or other therapeutic substances to a patient. A medical and pharmaceutical term that covers oral, intravenous, and other methods of delivery.
薬(くすり)を投与(とうよ)する。
To administer medicine.
医師(いし)が患者(かんじゃ)に抗生物質(こうせいぶっしつ)を投与(とうよ)した。
The doctor administered antibiotics to the patient.
ワクチンの投与(とうよ)回数(かいすう)は年齢(ねんれい)によって異(こと)なるため、事前(じぜん)に確認(かくにん)してください。
The number of vaccine doses varies by age, so please check in advance.

USAGE:
A formal medical and pharmaceutical term. Used as both a noun and a suru verb. The subject is typically a medical professional, and the object is a medicine or drug. Not used for self-medication in everyday speech — 飲(の)む (to take/drink) or 服用(ふくよう)する (to take medicine) are used instead.

COMMON COLLOCATIONS:

  • 薬(くすり)を投与(とうよ)する: to administer medicine
  • 投与量(とうよりょう): dosage, dose amount
  • 投与(とうよ)回数(かいすう): number of doses
  • 経口(けいこう)投与(とうよ): oral administration

SIMILAR WORDS:

  • 服用(ふくよう): taking medicine (from the patient's perspective)
  • 処方(しょほう): prescription (the doctor's act of prescribing)
general
Added 2026.2.22 23:21
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