Voltaren 50mg tablets contain diclofenac sodium, a non-steroidal anti-inflammatory drug (NSAID) used to reduce pain, inflammation and fever. Each tablet contains 50mg of diclofenac sodium in an enteric-coated, gastro-resistant formulation. This prescription medication is manufactured by Novartis and comes in a pack of 20 enteric coated tablets. Voltaren tablets are used to treat various painful conditions including arthritis, muscle strains, back pain, and other inflammatory conditions. The enteric coating helps protect the stomach. The tablets should be taken whole with water, preferably with or after food. This medication requires a prescription and should only be used under medical supervision.