Meprednisone is primarily used in the medical field as a corticosteroid to treat various inflammatory and autoimmune conditions. It helps reduce inflammation and suppress the immune system, making it effective in managing diseases such as asthma, rheumatoid arthritis, and lupus. Additionally, it is used to treat severe allergic reactions and certain skin conditions like eczema and psoriasis. In some cases, it is prescribed to manage symptoms of certain cancers and to prevent organ rejection after transplants. Due to its potent anti-inflammatory properties, it is also utilized in managing acute flare-ups of chronic conditions. However, its use is carefully monitored due to potential side effects with long-term use.