Nerve pain and headaches. Eye moments.

Diabetic ,thyroid tests results are normal .Currently my symptoms are ... double vision when I am closing and opening eyes ,walking difficulty ,when I am wide opening mouth severe pain,small bulges on some places on nerves ,when I am moving hands or legs back side of head is little paining ,trouble in eye moments .opening and closing fists becoming stiff and pain is coming,not able to type and not able to write more than 10 mins ,many places on body got swelled but no pain ,ed rashes are coming on hands on closing fist ,anxiety and trouble in concentration,slight memory loss ,After walking 15 mins my legs becoming heavy especially at ankle region and not able to run at all . Hands also became very tight and not able to hold any object after some time.When I am stretching my body pain is coming.Consulted orthopedic and he is not able to find anything after that consulted neurodoctor and he gave me nerve injunction and tablets for 5 months but no releife