%0 Case Reports %T An Unusual Case of Muscle Twitching: Its LGI1. %A Tomar LR %A Shah DJ %A Ranjan R %A Rohatgi A %A Agrawal CS %J Neurol India %V 69 %N 2 %D Mar-Apr 2021 %M 33904485 %F 1.663 %R 10.4103/0028-3886.314549 %X A 50-year-old male, presented with a two-months history of ascending paresthesias, with continuous twitchings over the body, associated with insomnia. His electromyography (EMG) revealed neuromyotonia and was diagnosed as a case of peripheral nerve hyperexcitability (PNH) syndrome due to Leucin-rich glioma-inactivated 1 (LGI1) antibody. He showed significant improvement with intravenous immunoglobulin and carbamazepine.