List of what causes oliguria and conditions for which oliguria symptoms are related. If you want to know, "Why do I have oliguria?" consider that oliguria can be caused by a number of illnesses. This is a list of diseases that oliguria is a symptom of, including diseases associated with oliguria. What diseases cause oliguria? Nephritis and Acute renal failure are included on this list along with many more. This list of diseases with oliguria as a symptom is in alphabetical order with images when available, though it can also be sorted. If you could say "I am experiencing oliguria," please consult a physician.