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)
False positive results may occur when patients are on large doses of chloropromazine, and may occur in the presence of metabolites of phenazopyridine. When these compounds are present, the urine becomes red. Metabolites of etodolac may cause false-positive or atypical results. False-negative bilirubin reagent strip results are often due to testing a specimen that is not fresh. Bilirubin breaks down when exposed to light.