Depends.: The immediate release is 6 hours and the extended release is between 9 to 12 hours. If you take 50 mg. of Seroquel (quetiapine) IR at 10 PM , you have about 25 mg. left at 4 AM.
Answered 8/2/2014
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6 doctors weighed in across 2 answers
A doctor has provided 1 answer
A doctor has provided 1 answer
6 doctors weighed in across 2 answers
A doctor has provided 1 answer
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