Average Concentration at Steady State

Similar dosing rates should achieve similar average plasma conc. However, longer dosing interval produces larger fluctuations around the average conc at steady state.

Dosing regimen

The average drug conc at steady state is not the mean value of the maximum and the minimum plasma conc.

The average conc at steady state can be determined from the AUC and τ.

Cpaverage ss=

AUC

τ
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