The neurovegetative crisis is characterized by nervousness, hyperemia of the skin of the face and neck, tremor of the upper extremities, dry mouth, and excessive sweating. A headache of high intensity is localized in the temporal or occipital region, or is diffuse in nature. Also, patients complain of noise in the ears or head, visual disturbances (flies and / or a veil before the eyes), frequent urination (in this case, a large amount of light urine is released), numbness of the limbs, a feeling of tightening and burning of the skin, a decrease in tactile and pain sensitivity. An acceleration of the heart rate, an increase in pulse pressure is determined. The duration of the attack is usually 1-5 hours, life-threateningthe patient is usually absent.
A complicated crisis is much less common, typical of patients with severe comorbidities or a long history of erythromycin, and is characterized by damage to target organs.
In the edematous form of the pathology, the headache is less pronounced, apathy, depression, drowsiness, disorientation in space and time, pallor of the skin, swelling of the eyelids and fingers of the upper extremities, puffiness of the face are observed. The crisis is usually preceded by muscle weakness, extrasystoles, decreased diuresis. The attack lasts from several hours to several days and has a relatively favorable course.