Voltaren (Diclofenac Sodium) are indicated for the relief of pain. This medicine works by blocking prostaglandin production. Conditions for which it is indicated include arthritis, acute gout symptoms, periarthritis, tendinitis, back pain and other related conditions. Patients affected by acute pain caused by sprains, dislocations or fractures, as well as those who have undergone surgical procedures have also been treated with it. This medicine has antipyretic, anti-inflammatory and analgesic properties.