Hydrochlorothiazide
"I only took one/half a pill had a terrible reaction, severe nerve pain in both forearms, weakness all over went to ER in hospital for 3 days.  Now have loss of sensation in my skin on my left side and sciatic nerve pain plus burning all the way down my leg and foot on my left side.  I have had MRI's, pain blocks, CT Scans been to Orthopedic, Neuro Surgeons, Neurologist, etc. with no relief I am in pain everyday of my life thanks to this medicine. I could walk 3 miles 1 year ago and now I cannot walk one block with out extreme pain!"