Tag: pseudoephedrine

Rising methamphetamine use in the U.S. workforce
Methamphetamine positivity continues to steadily increase in the American workforce, according to the Quest Diagnostics Drug Testing Index. Continue reading

By   /  November 30, 2017

Cold medicines and drug test results
Questions surrounding common cold medicines and their impact on drug testing results commonly arise. Continue reading

By   /  November 15, 2010