if taken 2 0.5 mg tablets, how long is it in the urine?
Clonzepam's half-life is 34 (additional 19-60 with active metabolites). A drug stays in your system for 5 half lives.
Thus, it could be out of your system in 19-20 days (34+60)x5 = 470 hours.
Or, if your metabolism is high and other genetic factors are in your favor, it could be in your system for (34+19) x 5 = 265, which is 11-12 days.
All this is an average. It depends on your metabolic rate, genetic makeup, height and body weight, and other factors. Might be okay after 10 days, or might still have some lingering after 25 days (but the amount would be very low, so doubtful it would show on drug screen after nearly a whole month without taking anymore Klonopin).
It's also dose-dependent. The higher the dose you take, the longer it lingers in your system. 1mg is a pretty moderate dose, so I'd estimate it'd be out of your system (all other factors being equal) within 11-15 days. But there's no guarantee, really. It all depends on the person.
Source for half-life info: http://www.psychresidentonline.com/Benzodiazepine%20Comparison.htm
- Clonazepam Information for Consumers
- Clonazepam Information for Healthcare Professionals (includes dosage details)
- Side Effects of Clonazepam (detailed)
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