Half-Life
t½정의
The time required for the plasma concentration of a drug to decrease by 50%. Half-life determines how often a medication needs to be dosed — drugs with shorter half-lives require more frequent dosing to maintain therapeutic levels.
예시
Ibuprofen has a half-life of about 2 hours, which is why it's typically taken every 4-6 hours.
관련 용어
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