Hi Velu - do they know what's causing the cellulitis? Any bacteria in particular? Its possible you might have the same bacteria.
Beck - a rash in the genital area could be many things - herpes, syphilis, an allergic reaction, dermatitis - too many things to pinpoint here. The guy should get checked by the doc.
AJ
hellloo me mate give a suck 2 some lad now the lad got a rash round his penis what could it be ?