Bottles of pills arranged in shelf at a drugstore

Medicine’s Ryan Marino discusses significant limitations of drug screenings

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San Diego Union-Tribune: Ryan Marino, assistant professor at the School of Medicine, said that drug screening tests have significant limitations, noting that some common prescription medications—like antidepressants—share a similar structural backbone with methamphetamine, called phenylethylamine, which can cause a false positive amphetamine and methamphetamine screen.