Diclofenac sodium, the active ingredient in Rofenac, NSAIDs reduce pain and inflammation. Rofenac gel: For the local symptomatic relief of pain and inflammation of these conditions Rofenac relieves pain, reduces swelling and eases inflammation in conditions affecting the joints, muscles and tendons including: Rheumatoid arthritis, osteoarthritis, acute gout, ankylosing spondylitis Backache, sprains and strains, soft tissue sports injuries, frozen shoulder, dislocations and fractures Tendonitis, tenosynovitis, bursitis.