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Items that may cause false positive drug results?
What are Medications, kidney, liver disease, diabetes, poppy seeds, riboflavin in food, or vitamin B2 tablets. Vicks NyQuil, Contac, Sudafed, Dimetapp, Excedrin IB, Robitussin Cold and Flu, Afrin, Dextramethorphan, asthma meds, ect....