Medical professionals typically categorize causes into three main areas:
: Nausea, vomiting, shortness of breath, and fatigue. Mental changes : Confusion or drowsiness in severe cases. Categories and Causes acute renal failure
: Passing very little or no urine, though output can occasionally remain high. : Damage to the kidney tissues from infections,
: Damage to the kidney tissues from infections, toxins (nephrotoxic drugs), or autoimmune diseases. : Blockages "after" the kidney, such as kidney
The condition can progress rapidly, making it critical to recognize early signs like . Common symptoms include: Fluid retention : Swelling in the legs, ankles, or feet.
: Blockages "after" the kidney, such as kidney stones, enlarged prostate, or tumors that prevent urine drainage. Acute Kidney Injury - StatPearls - NCBI Bookshelf
: Most common; caused by issues "before" the kidney, such as severe dehydration, shock, low blood pressure, or heart failure.