These infections are mainly secondary to dissemination of mainly dental infections and upper respiratory tract infections.

Among the most common risk factors may be Diabetes mellitus, arterial hypertension, renal failure, hypothyroidism, HIV infection, steroid therapy, chemotherapy and other sources of immunosuppression.

Findings on physical examination include swelling of the face and neck, erythema, and purulent oral discharge.

Its diagnosis is clinical and is complemented by laboratory and cabinet studies. Surgical treatment accompanied by antibiotic therapy.