Over counter drugs, food you consume if you know for fact your drug free 100% appeal it.
Poppy seeds!!! Poppy seeds!!! Poppy seeds !!! I heard it was the black poppy seeds...
Poppy seeds cause false positives for opiates, not cocaine. Only a few things can cause a false positive for cocaine: Amoxicillin,tonic water & certain health problems, like diabetes, kidney or liver disease or infection. www.ipassedmydrugtest.com