Autonomic dystonia syndrome (autonomic dysfunction syndrome, autonomic dysfunction, vegetative neurosis, autonomic dysthymia) is a complex of functional disorders of the nervous system caused by multisystem damage to the vagal (autonomic) part of the autonomic (autonomic) nervous system. The term “autonomic regulatory system syndrome” appeared in clinical practice in 2005 and was officially approved to designate a complex of functional disorders that have no other cause than multisystem damage to the nervous regulation of internal organs [1].
**Clinical picture.** The syndrome is characterized by excessive reactions of the autonomic regulatory system to