A 23-year-old male asked:
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i've taken 100mg seroquel (quetiapine) for a month and have begun tapering off by 12.5mg how long will the drug stay in my system after i stop taking it fully?

2 doctor answers
Dr. Daryl Tanski
Specializes in Psychiatry
Quickly: Seroquel (quetiapine) would be out of the blood steam approximately 35 hours after the last dose.
Answered on Jun 19, 2018
Dr. Paul Grin
Dr. Paul Grin answered
35 years experience Pain Management
1.5 days: Half-life of seroquel (quetiapine) is 7 hours. It takes approximately 6 half lives for a drug to be eliminated from your system. 5*7/24= aprox. 1.5 days. Tapering down by 12.5 every 3 days is the safest way to discontinue any psychotropic medication. Take care.
Answered on Apr 27, 2014

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