What are the causes of kidney failure ?

Kidney failure is a condition where the kidneys stop performing their functions. It may be acute or chronic. Some of the causes are:

Acute kidney failure:

1) Drop in blood flow to kidneys.

2) Damage of medicines, infections or poisons.

3) Blockage in flow of urine from kidneys.

Chronic kidney diseases resulting in failure:

1) Diabetes

2) High blood pressure

3) Genetic disorders like polycystic kidney disorder