Acute Sreptococcal Cellulitis (Group A Streptococcus) induced Erysipelas. Treatment is prefearbly with Penicillin/Erythromycin along with Cold Mgnesium Sulphate Compressions. Prognosis on treatment is excellent.
The image shows the rise borders with cherry red appearance of the distal leg which is well defined margin. The surrounding skin is edematous which consistence with cellulitis changes. my diagnosis would be erysepelas with association of cellulitis