Acute nephritis: can be caused by drug allergies, especially analgesic such as aspirin and paracetomol, immunosuppressant drugs such as cyclosporine, anti-cancer drugs such as cisplatin and carboplatin, and lithium, which is used to treat bipolar disorder. Other causes include bacterial and viral infections, metabolic and toxic disorders, and hypocalcaemia.
Chronic nephritis: develops more slowly has many causes, including abnormal immune system reactions, bacterial kidney infection, drug hypersensitivity or exposure to a toxin. It can also be caused by radiation exposure, obstruction of the urinary tract, hypertension, sickle cell anemia and polycystic kidney disease (PKD), among other conditions.
Nephrosis: can be caused by kidney disease or it may be a complication of another disorder, particularly diabetes.