1. Erysipelas St. Anthony’s fire/ Ignis Sacer
Acute beta hemolytic group A Streptococcal infection
Predisposing factors: Any break in the skin
Involves superficial dermal lymphatics
Local redness, heat, swelling, raised, indurated border
Prodromal symptoms: Malaise, chills, high fever, headache, vomiting, and joint pains

2. Erysipelas PMN lekocytosis: 20,000/cu. mm or more
Skin lesions may vary from transient hyperemia, followed by slight desquamation to intense inflammation with vesiculation and phlegmon
Eruption begins at 1 point as an erythematous patch and spreads by peripheral extension

3. Erysipelas Advancing edge Raised and sharply demarcated
Vesicles or bullae may contain seropurulent
May result to gangrene
Most frequently affected sites: Face and Neck
Face: begins on the cheek near the nose or in front of the lobe of the ear and spreads toward the scalp
Complications: Septicemia, Deep cellulitis

4. Erysipelas

5. Cellulitis Suppurative inflammation involving the subcutaneous tissue
Streptococcus pyogenes
Children, Immunocompromised: Increased risk for severe complications
Hematologic malignancy, DM, IV drug abuse, Cardiovascular disorders

6. Onset: Mild local erythema and tenderness, malaise, and chilly sensations, or a sudden chill and fever
Erythema rapidly becomes intense and spreads
Infiltrated and pits on pressure

7. Central part becomes nodular
Surmounted by a vesicle that ruptures and discharges pus and necrotic material
Lymphangitis may spread to neighboring lymph glands
Gangrene, metastatic abscess, grave sepsis (Rare)

8. Cellulitis