diseases of the blood system, accompanied by increased bleeding (hemophilia, agranulocytosis, leukemia, hemorrhagic diathesis, and others); vascular anomalies of the pharynx (angiodysplasia, aneurysms, submucous vascular pulsation); active form of tuberculosis; decompensated form of diabetes mellitus ; severe progressive diseases of the cardiovascular system, kidneys, liver, lungs; severe...