Therapeutic Indications Of Voltaren 12.5 mg Suppository relieve pain, reduce swelling and ease inflammation in conditions affecting the joints, muscles and tendons Management of fever treat pain and inflammation associated with dental and minor surgery Inflammation of the bones and joints such as rheumatoid arthritis, osteoarthritis, acute gout and ankylosing spondylitis. Back pain. Sprains, strains, sports injuries, dislocations and fractures. Conditions affecting the tendons such as tendonitis.