Is - rasaraja ras tablets (marketed by dhootapapeshwar) safe to use keeping in view it contains purified mercury and become of other metals -- to be honest, I am worried about any toxic side affects. Above medicine along with other ayurvedic medicines prescribed by qualified ayurvedic Dr. (md). Also let know, is it safe to use above medicine (125 mg twice a day) for 6 week period and thereon tapered illness: peripheral neuropathy symptoms: burning / cold sensation dominant in feet and limited extent in hands, pins & needle sensation in soles (feet) and hand, numbness occasionally in feet, nerve stabbing pain in other body parts. I am not diabetic and all blood tests found to be normal - neurologist have indicated idiopathic or probably neuropathy due nutrition. Spine mri does indicate disc bulge l3/l4 and l4/l5 -- however do not have sciatica.