A member asked:

Exactly what drugs cause morphine to come up on a drug test?

2 doctors weighed in across 2 answers

Narcs: A lot of prescribed opiods turn to morphine by the liver such as hydrocodone, oxycodone, codein. You may google for a complete list, but those are the most commonly prescribed.

Answered 6/3/2015

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Dr. Alan Ali answered

Specializes in Psychiatry

Drug tests: False positives can occur if using cough suppressants, antihistamines, some antibiotics, codeine, asthma medications, sinus medications, nyquil, phenergan, (promethazine) poppy seeds, ultram.

Answered 7/15/2013

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