Prednisolone is a steroid. It is used for many conditions including allergies, inflammatory diseases, autoimmune diseases and some forms of cancer. One of its primary benefits is that it can be administered in several different ways depending on the tolerance of the patient and the condition to be treated. In addition to being administered by injection, it can also be taken orally, used in a skin cream, and even put into eye drops.
It's typical side effects are nausea and sedation. However, in about 5% of patients, it can lead to psychiatric problems. With long term use, it can cause bone loss, weakness, yeast infections and easy bruising.