Doctor insights on:
Hair Follicle Drug Test Hair Weave
Very: In comparison to a urinalysis drug test, cocaine, PCP, opiates, and methamphetamine have proven hair analysis far more effective than urine testing in identifying low-level drug use over an extended period of time since these are normally out of the bloodstream in within 3-7 days The detection of marijuana is currently less sensitive than the other drugs in identifying low level drug users, ...Read more
Don't understand?: Why would YOU be waiting for a test. Hair follicle tests are done by employers and other authorities to determine if someone has used drugs over a long period of time. Depending on the length of hair they sample, it can detect use up to 6 months back or longer. If you are due for a test, even if you stop using drugs now, it can be detected 6 months later. Get help for your drug problem please. ...Read more
Might get picked up: Hair testing for drugs can show positive results for up to 90 days in the past. ...Read more
Possibly not: Depending on the drug you took and the last time you took it, 3-4 weeks would not be long enough to clear it from your hair follicles. Most drugs are detectable in hair follicles for at least 90 days -- sometimes longer. ...Read more
BE CONCERNED: With doing the right thing not with how to beat tests. Why would a doctor tell you how to "beat" a test? Honesty has nothing to do with your question. ...Read more
2a, 3a-epithio-17a-methyletioallocholanol, will it show up as anything on a hair follicle drug test?
Maybe: Drug testing for pro (steroid) hormones is getting increasingly sophisticated. But the side effects of using spawn and its relatives are dire. The best advice I could give anyone using it is "don't". I hope you ask having stopped, if you have been using it. If you haven't please don't take offense at my concern. ...Read more
A friend has a hair follicle drug test. He took 2 hits of pot 2 and a half weeks agoand hasn't did it for 3 months previous to this. Will this show up?
Regarding hair follicle drug test, will THC be be present in hair follicles four months after quitting?
Possible: The hair follicles themselves usually remain positive for at least 90 days after last use. Could be longer in some people, though. The hair that is tested will be positive too. ...Read more
To fail a hair follicle drug test does there have to be a certain number or amount of THC present or is it any amount that will fail you?
Positive test will: Once the test is positive means you had used the drug usually within a window of 90 days. ...Read more
While I suspect that you are looking to cheat on a hair follicle drug test, I will say that there is no such thing as hair detoxing. Dyes or bleaches will invalidate the test (not what you are looking for).
It is better to get appropriate treatment and get off the hamster wheel of addiction than to try to manipulate tests that are meant to foster accountability. ...Read more
Sertraline: Is not a medication which is tested for on standard drug screening panel. ...Read more
No you won't: Pot remains in the hair for 90 days. Your only hope would be that the amount in your hair is below the detectable limit in the test, but I would not count on it. Best wishes and please don't use at all. ...Read more
A friend ask me how to pass a hair follicle drug test I said don't do drugs you fool is there a way mr or mrs doctor x?
Hair follicles: You gave your friend the right answer in saying "don't do drugs" -- that's the only reliable way to pass a drug test of any kind. Hair follicles will remain positive for varying periods depending on the drug in question. Cutting hair will also not completely get rid of the follicles, which are down into the scalp. Thc, for instance, would still remain in the follicles for at least 90 days. ...Read more
I was wondering how far a hair follicle drug test goes back. Why I was asking was because of a job, someone said they go back 6 months for this job?
About right: Depends on the length of the hair, but the average size hair will go back about 6 months. There is variability in hair growth, and depending on whether someone is fair-skinned or dark, the hair may retain certain drugs differently. But in general, its about 6 months worth. The larger question is whether an employer has any right to determine what someone does during off-time not working. ...Read more
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