Olfen-50 Tablet works by reducing the substances in the body that cause inflammation and pain. Olfen-50 Tablet is used for the treatment, control, prevention, & improvement of the following diseases, conditions and symptoms: Rheumatoid arthritis Osteoarthritis Acute gout Ankylosing spondylitis Back pain, sprains and strains Soft tissue sports injuries Frozen shoulder, dislocations and fractures Tendonitis Bone and joint surgery Dental and minor surgery