Cavg

{{Short description|Average concentration of a drug in circulation during a dosing interval}}

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C_avg is the average concentration of a drug in the central circulation during a dosing interval in steady state. It is calculated by

:$C\_\{\backslash text\{avg\}\}=\backslash frac\{AUC\_\{\backslash tau,\backslash text\{ss\}\}\}\{\backslash tau\}$

where $AUC\_\{\backslash tau,\backslash text\{ss\}\}$ is the area under the curve and $\backslash tau$ the dosing interval.