Olfen 50mg Lactab 20’s contains Diclofenac Sodium.It is used for:Back pain,Sprains and strains,Rheumatoid arthritis,Soft tissue sports injuries,Dental and minor surgery,Tendonitis, Frozen shoulder,Dislocations and fractures,Acute gout, Osteoarthritis,Ankylosing spondylitis,Bone and joint surgery and..