i am empathic with your situation i too have back pain for year's.
Employer's discriminat when they find out that your on this Drug for pain management.I cold of fought that I Know I was also dirty for T.H.C
My Bad that's alright it was a shity job any way but when I went back to bring my unioforms an ask for a copy of what I signed an she "supporviser"
added "Addict"To the end cause it was Diskettes