I feel like most people here scoff at Tramadol as a recreational drug, but I'd really like to get some more info here, if possible. Can anyone tell me what concerns there would be for someone taking 50-150 mg of Tramadol daily for years? It seems like this is a pretty low dose, but I'm not sure about over such a long time frame if there would be concern for liver damage, kidney damage, permanent brain damage, etc? Thanks for the help!