Prednisone Oral tablet drug summary. Find medication information including related drug classes, side effects, patient statistics and answers to frequently asked. Find patient medical information for Prednisone Oral on WebMD including its uses, side effects and safety, interactions, pictures, warnings and user ratings. Prednisone oral tablet is a prescription drug used to treat inflammation from conditions such as multiple sclerosis and rheumatoid arthritis. It's a type of steroid .