Peripheral neuropathy
Incidental findings Diabetes mellitus, cachexia, RA
+ve signs Distal sensory loss to all modalities and/or distal motor weakness
Differential diagnosis As below
Function ?Disabled
Tests Full drug, EtOH history
Measure BM
Vitamin B12
Common causes
Diabetes mellitus
Alcohol
Vitamin deficiency: e.g. B12
Drugs: isonizid, vincristine
Inflammatory: RA
Paraneoplastic
Pure motor
Lead
Porphyria
Diphtheria
Notes

  • Other causes: GB, CIPD, amyloid, paraproteinaemia, acromegaly, sarcoid, RA