Etodolac serves as a nonsteroidal anti-inflammatory drug. Etodolac performs its function by reducing the number of hormones that are responsible for causing inflammation as well as pain in the body. It also treats the symptoms of inflammation and pain. Etodolac also treats the diseases that end up causing such symptoms. Etodolac treats inflammation or pain that is caused by osteoarthritis or arthritis. Etodolac can also be used in other conditions but under the prescription of the doctor.