Oral or depot inject: Haldol (haloperidol) decanoate has a half- life of thee weeks. , so it would take 15 weeks or almost 4 months to clear your system. Oral Haldol (haloperidol) has a half-life of 20+/- 4 hours. So it could take from 80 hours to 120 hours to clear your system.
Answered 6/25/2014
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A doctor has provided 1 answer
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