I have seen the equation for drug half lives described variously as (0.7xVd)/Cl, (0.693xVd)/Cl, and (ln2xVd)/Cl.

What is the origin of this numerical constant in the numerator? What does it signify?

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    $\begingroup$ Does this answer your question? Derivation for drug half life $\endgroup$
    – rotaredom
    Commented Jan 3, 2020 at 16:54
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    – tyersome
    Commented Jan 3, 2020 at 21:58


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