Prendasone is a brand name for the medication prednisone, a synthetic corticosteroid used to treat various inflammatory and autoimmune conditions, such as Asthma, Allergies, and rheumatoid Arthritis. It works by suppressing the immune system and reducing inflammation. Prednisone can also be used to manage certain types of cancer and is often prescribed to help alleviate symptoms associated with severe allergic reactions. As with any medication, it should be taken under the guidance of a healthcare provider due to potential side effects.