Differential DiagnosisPatient’s Features

Erisipelas Cellulitis

Etiology trimethoprim- sulfamethoxazol

e medication

beta hemolytic group A

Streptococcal (Occ. GBS)

Streptococcus pyogenes,

Staphylococcus aureus

Epidemiology Age: 27 yoSex: F

NewbornPostpartum womenPatients with

breaks in the skin

High risk in immunocompromi-sed patients and in children

Course Acute; few hours after intake of

drugs

Acute Acute

Prodromes Malaise for several hours,

chills, high fever, headache,

vomiting, and joint pains

Malaise, chills, fever

Differential DiagnosisPatient’s Features Erysipelas Cellulitis

Eruption Generalized Palms and lip

mucosa

Face and legs Begins in the

cheeck near the nose or in front of the lobe of the ear and spreads upward to the scalp

Local erythema Tinea pedis-most

common portal of entry

Differential DiagnosisPatient’s Features Acute Urticaria Erythema Multiforme

Typical Lesions red papules with dusky centers.Ulcers in the lip mucosa

May vary from transient hyperemia followed by slight desquamation to intense inflam.

Erythematous patch with peripheral extension

Scarlet, hot to touch, brawny,swollen

Raised and sharply demarcated.

Erythema rapidly becomes intense and spreads

Area becomes infiltrated

Pits on pressure Central part

becomes nodular and surmounted by a vesicle that ruptures and discharges pus and necrotic material

Complications Septicemia Deep cellulitits

Lymphangitis Gangrene Metastatic abscess Sepsis

Patient’s Features Acute Urticaria Erythema Multiforme

Differential Diagnosis

Erysipelas

Cellulitis