: Passing very little or no urine, though output can occasionally remain high.
: Nausea, vomiting, shortness of breath, and fatigue. Mental changes : Confusion or drowsiness in severe cases. Categories and Causes acute renal failure
: Damage to the kidney tissues from infections, toxins (nephrotoxic drugs), or autoimmune diseases. : Passing very little or no urine, though
: Blockages "after" the kidney, such as kidney stones, enlarged prostate, or tumors that prevent urine drainage. Acute Kidney Injury - StatPearls - NCBI Bookshelf shortness of breath