Prednisolone is a type of medicine known as a corticosteroid or steroid. Corticosteroids are not the same as anabolic steroids. Prednisolone is used to treat a. Prednisone is used alone or with other medications to treat the symptoms of low corticosteroid levels (lack of certain substances that are usually. Prednisone (Deltasone®) medication is a corticosteroid immunosuppressant used to treat a variety of diseases. Liver transplant recipients use it to prevent or.