 [ Symptoms ] i have had many tests but unless cobalt poisoning is answer cannot figure out the painful tingling in all fingers i have been identified as my two metal on metal hip implants have leaked cobalt in my blood now just before revision surgery number one i have painful  sensitive feelings in all fingers and sometimes hand and up arms to elbows i have had one side revised now and pending the other side later next month i still have this problem and it has just gotten to the point of nothing helps gabapentin 300 mg did nothing [ Disease ] i have had all bone and blood test and neck and lower back xray would and examined no abnormalities