# Cocaine and Urine tests

**URL:** <https://boards.straightdope.com/t/cocaine-and-urine-tests/223909>\
**Category:** Factual Questions\
**Created:** [January 11, 2004, 2:32am UTC](https://boards.straightdope.com/t/cocaine-and-urine-tests/223909 "2004-01-11T02:32:20Z")\
**Posts on this page:** 1\
**Page:** 1

<div class="post-metadata">

**Author:** ![welloso](https://avatars.discourse-cdn.com/v4/letter/w/4491bb/32.png) [@welloso](https://boards.straightdope.com/u/welloso)\
**Post date:** [January 11, 2004, 2:32am UTC](https://boards.straightdope.com/t/cocaine-and-urine-tests/223909/1 "2004-01-11T02:32:20Z")

</div>

After taking cocaine , how long does it take to go out from your system so it cant be traced by urine tests ? Metabolisim no doubt has a part to play , but there must be a general timescale . What about other drugs?