TERMIUM Plus®

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PLASMA HALF-LIFE [1 record]

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Record 1 2008-11-21

English

Subject field(s)
  • Pharmacodynamics
CONT

The duration of action of a drug is known as its half life. This is the period of time required for the concentration or amount of drug in the body to be reduced by one-half. We usually consider the half life of a drug in relation to the amount of the drug in plasma. A drug's plasma half-life depends on how quickly the drug is eliminated from the plasma.

Key term(s)
  • plasma half life

French

Domaine(s)
  • Pharmacodynamie
DEF

[...] temps nécessaire pour que la concentration plasmatique [d'un médicament] diminue de moitié, par exemple de 100 à 50 mg/L.

Spanish

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