Opiate False Positives Back to Top
Poppy seeds, Emprin, Tylenol with codeine, Capital with codeine, Margesic, rifampicin, Vicodin,
Percodan, Percocet, Wygesic.
Benzodiazepine False Positives Back to Top
Most prescription sleeping pills and anti-anxiety medication.
Barbiturate False Positives Back to Top
Fiorinol, Donnatol, some sleeping pills, antiasthmatic preparations that contain phenobarbitol, Dilantin.