Causes of Polyneuropathy - Differential Diagnosis Algorithm
 • Metabolic: DM, Hypothyroidism, CKD, Cirrhosis, Nutritional deficiency
 • Toxic: EtOH, Meds, Heavy metals, Vitamin B6, Organophosphates
 • Inflammatory: 
    - Infectious: HIV, Lyme, Diphtheria, Leprosy 
    - Non-Infectious: GBS, Amyloidosis, Paraneoplastic, CTD (SLE, RA, Sjogren’s), Vasculitis, Sarcoidosis
 • Hereditary: Charcot-Marie Tooth, Porphyria, Mitochondrial issues

- VA Joint Chiefs @BostonChiefs

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