Analgesic nephropathy is an injury to the kidneys caused by analgesic medications such as aspirin, phenacetin, and paracetamol.

The kidney injuries seem to result from decreased blood flow to the kidney, rapid consumption of antioxidants, and subsequent oxidative damage to the kidney epithelial cells. This kidney damage may lead to

• progressive chronic kidney failure

• abnormal urinalysis results

• high blood pressure

• anemia

一小部分患者止痛剂nephropathy may develop end-stage kidney disease.