The only drugs I take are what is prescribed
to me by my pm. No one can explain this
to me and I am determined
to find out
what is going on. One of my medications is methadone 5 mg 2x daily. The same UA, showed negative for Methadone but positive for EDDP, which is the metabolite of Methadone. You cannot have one without the other. I have had several UA, in the course of 9 years that have returned questionable results.