Not everyone in Salem supported the witch trials. Wealthy farmer John Proctor sternly denounced the proceedings and warned against listening to the young girls.
Amphetamines - Substances or Conditions which can cause false positives. Ephedrine, pseudoephedrine, propylephedrine, phenylephrine, or desoxyephedrine (Nyquil, Contact, Sudafed, Allerest, Tavist-D, Dimetapp, etc) Phenegan-D, Robitussin Cold and Flu, Vicks Nyquil Over-the-counter diet aids with phenylpropanolamine (Dexatrim, Accutrim)
9 Upon admission, the patientâs routine immunoassay for amphetamines showed a negative result, but after 3 days, a repeat analysis was positive for amphetamine. A confirmatory test was ordered and identified IV phenylephrine as a likely cause of the false positive.Another drug that has been associated with false positive results for amphetamine is 1,3 dimethylamylamine (DMAA). DMAA has sympathomimetic activity and is an ingredient in some dietary and weight-loss supplements. Upon admission, the patientâs routine immunoassay for amphetamines showed a negative result, but after 3 days, a repeat analysis was positive for amphetamine. A confirmatory test was ordered and identified IV phenylephrine as a likely cause of the false positive.