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)
For amphetamines, most incidents of false positives can be related to a drugâs structure, but case reports and retrospective reviews have associated many drugs with false positives. Following a positive drug screening, the possibility of a false positive always should be considered. 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.