<prompt> A child presented with cola coloured urine, pro?teinuria 2 ho rash 2 week ago. Probable Dx is ?IgA nephropathyHSPHUSWegener Granulomatosis  <response>: Ans is b i.e., HSP o This patient has developed hematuria cola coloured urine 2 weeks after an upper respiratory tract infection there is history of rash and most of the UIs have rash in their clinical course e.g. measles, chicken pox etc. o Hematuria after UI: i After 2 days -- IgA nephropathy ii After 10 days - 2 weeks -- HSP, PSGN. 