Samuel S. asked

🏥  Medical

My son took 3 ml doses of Robitussin DM and will have a urine drug test today. Do you think it will show up positive for an opiate? He also takes Zoloft and risperidone.

March 7th, 2023

Timothy T. answered

Dextromethorphan, an ingredient in Robitussin DM, can potentially cause a false positive for opiates...

March 7th, 2023

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