How long does barbiturates stay in your urine?

Answer 1

Anywhere between 24 and 140 hours after the dose based on the Barbiturate. Some are short acting, some are long acting.

That's just for urine though. In a blood/hair test, the answer would be more like months afterwards.

Answer 2

It depends on if its taken everyday or not it would probably stay in your system maybe 2 weeks or more if you take them everyday it will take allot longer for it to get out of your system.

Answer 3

it all depends on what kind of barbituate and how much you consumed. some can be from 1-2 hrs. others can be up to 2 days.