Doctor insights on:
Hair Follicle Testing
Depends: Depends on how long your hair is, and how long ago you drank. Hair-testing looks for ethyl glucuronide, and every time you drink, there is a band representing ethyl glucuronide laid down in the hair follicle. Hair grows about 1/2- i inch per month, so if your hair is 8 inches long, the hair furthest from the follicle will give anywhere from 4-8 months of info. Other hair grows slower (body hair). ...Read more
It's not the: Follicle, it's the hair. Besides, why are you taking phentermine, which only helps weight loss for as long as you take it, then you regain it. It also has a long list of potential side effects which can be very harmful. Learn to eat less and exercise more -- that you can live with. ...Read more
How far does the testing for a hair follicle and nail drug test go back? I am getting conflicting answers on both tests. I have been told 90-120 days or longer for hair follicle depending on length of hair and up to 1 1/2-2 1/2 years for nail testing.
Varies: The hair testing numbers are about right, with hair growing about 1/2 inch per month, and the average length of hair tested being 1 1/2 inches, which is about 90 days. Nails give 4-6 months at usual lengths. If you never cut them, or have very very long nails, you could get 1-2 years, but that is not common. ...Read moreSee 1 more doctor answer
Scared to take a hair follicle test been clean for 8 or 9 months got my cdl and been clean ever sence is it still possible to fail the test?
I smoked everyday for years, but stopped on 12/31 and it's now 2/14. I cut my hair on 2/13. Will I pass a hair follicle test on 3/2?
See below: THC is incorporated INTO the hair and remains there until one of two things occur; it falls out or that section is finally cut off do either of the above two apply hair grows approx. 0.5 inch a month--you do the math ...Read more
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