Neuritis of the autonomic nervous system is a non-inflammatory lesion of the autonomic nerve fibers, manifested by motor disorders and trophic disorders of the skin, mucous membranes and internal organs. Neuritis of the autonomic nerves is rarely accompanied by organic damage to adjacent tissues. They develop acutely or gradually in the form of paresis and paralysis of facial muscles, soft palate, muscles of the pharynx, larynx, esophagus, bronchi, as well as limbs and bladder.