ic back pain, concurrent C. Difficile infection Clinical + electrophysiology 2 Miller Fisher variant Reyes-Bueno et al. [44] Spain 50 F 15 days after Root-type pain in all four limbs, dorsal and lumbar back pain LL Weakness, ataxia, diplopia, bilateral facial palsy, generalized areflexia Dry mouth, diarrhea and unstable blood pressure No 12 days after symptoms onset Diarrhea, odynophagia and