This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Pediatrics
A child presented with cola coloured urine, proteinuria 2+ & h/o rash 2 weeks ago. Probable Dx is – 
Select and explain. 
A. IgA nephropathy, B. HSP, C. HUS, D. Wegener Granulomatosis
B: HSP
Answer: B: HSP 
Explanation: 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 URTIs have rash in their clinical course e.g. measles, chicken pox etc.)
Hematuria after URTI:


After 2 days → IgA nephropathy
After 10 days - 2 weeks → HSP, PSGN.