weed
No you cannot.
A hair test will show positive, if you have been using.
Some infections in the kidney can cause false positive dipstick test results but not false negative.
One hit...
Yes, lithium can cause a false pregnancy on a pregnancy test.
No, in perimenopause hormones begin to decrease. You cannot have a false positive test.
False positive for what test?
no
No.
Valerian Root can test positive as benzodiazepines. Ephedra can test positive as an amphetamine.
No Trazodone would not appear as cocaine in a hair follicle test.
Poppy seeds can cause a false positive on a drug test, however it would have to be a lot of them.