Justin Bieber's Toxicology Results Confirm Marijuana & Anti-Anxiety Meds

Justin Bieber had both marijuana and anti-anxiety medication in his system the night he was arrested in Miami, according to TMZ.

The 19-year-old singer’s toxicology report came back from a urine sample he provided that night.

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Justin tested negative for cocaine, opiates, meth and other drugs.

He was arrested early Thursday morning (January 23) for DUI, resisting arrest, and driving with an expired license, after he was pulled over for drag racing. At the time, Justin admitted that he had smoked and taken prescription medication.

Justin is currently home in Toronto, Canada after he surrendered to police following an unrelated criminal assault charge.