Why Does Tramadol Come Up As A Positive For Methadone On A Drug Test?
Ultram (tramadol) is usually classified as an opioid but is not in any way chemically related to opioids. It is classified as such because it has mu-opioid receptor activity. Are you sure that was the only drug involved? I haven’t heard any reports of positives for methadone from patients who are on tramadol.
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