A 45-year-old man presents with a rapidly enlarging, erythematous, warm and tender area on his lower leg with well-demarcated raised borders and fever 38.5°C. There is no abscess. What is the most likely diagnosis and appropriate initial management?ACellulitis; treat with topical mupirocin aloneBErysipelas; treat with oral phenoxymethylpenicillin for 5 daysCVenous eczema; prescribe topical steroid onlyDNecrotising fasciitis; discharge with oral antibioticsEContact dermatitis; avoid irritants onlyCheck my answer