A 5-year-old child had to undergo an operated for ankyloglossya. There were no external symptoms of preoperative anxiety. Aafter injection of 1,5 ml of 0,5% novocaine solution the child presented with motor anxiety, vomiturition, stomachache. Objectively: the child is conscious, face and neck skin is hyperemic, tachypnoe is present, pulse is rapid. What is the most likely diagnosis?