Olfen Gel 50gmOlfen Gel contains Diclofenac Sodium 10 mg which is a non steroidal anti inflammatory drug and it is used for the treatment of joint pain in the hands, wrists, elbows, kneels, ankles or feet. It is used for local treatment of localized rheumatic diseases e. g. osteoarthritis, inflammation of the ligaments, tendons, muscles and joints due to trauma and localized forms of soft tissue rheumatism. How to use The dosage varies on different conditions.