A member asked:

What is the half life of seroquel (quetiapine) xr?

A doctor has provided 1 answer
Dr. Edward Kuhnley answered

Specializes in Child Psychiatry

Seroquel (quetiapine) XR 1/2 life: Elimination of quetiapine is mainly via hepatic metabolism. The mean-terminal half-life is approximately 7 hours for quetiapine and approximately 12 hours for norquetiapine within the clinical dose range. Steady-state concentrations are expected to be achieved within two days of dosing. XR allows faster uptitration. It should be taken with food. Best regards.

Answered 3/10/2019

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