Acute Renal Failure Apr 2026

: Nausea, vomiting, shortness of breath, and fatigue. Mental changes : Confusion or drowsiness in severe cases. Categories and Causes

Acute kidney injury (AKI), previously known as , is a sudden, temporary, and often reversible loss of kidney function. It can range from a minor loss of function to complete kidney failure and often results from an underlying condition that disrupts blood flow, causes direct organ damage, or blocks urine output. Key Symptoms and Warning Signs acute renal failure

Medical professionals typically categorize causes into three main areas: : Nausea, vomiting, shortness of breath, and fatigue

: Passing very little or no urine, though output can occasionally remain high. It can range from a minor loss of

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.

: Most common; caused by issues "before" the kidney, such as severe dehydration, shock, low blood pressure, or heart failure.

: Blockages "after" the kidney, such as kidney stones, enlarged prostate, or tumors that prevent urine drainage. Acute Kidney Injury - StatPearls - NCBI Bookshelf