One Week Only - Get FREE Shipping on Orders of $249 or more
For Information Pack Click Here

Download your FREE Information Pack Today!

Our information sheets are full of useful information on health issues like the early warning signs of heart disease and prostate cancer, as well as pregnancy, ovulation, drug testing and much more. Get yours free today!

How far back does hair drug testing go back for marijuana and cocaine?

The PDT-90 Hair drug test can detect back to 90 days. However this test should not be used to test for drugs taken 10-14 days prior to taking the test, as it is necessary to allow for the hair to grow.

Keywords: hair drug testing drug testing drug abuse
Back To Drug FAQ

"I want you to know that I am positively thrilled, really, just to know that this kind of email support exists. You are really thorough and you follow up. Do you know how rare that is? Anyway, sooner or later I will try this but in the meantime I am so glad to have the quality support." (Dave G.)