Voltaren (diclofenac) is a nonsteroidal anti-inflammatory drug (NSAID). Diclofenac works by reducing substances in the body that cause pain and inflammation.

Voltaren is used to treat mild to moderate pain, or signs and symptoms of osteoarthritis or rheumatoid arthritis.

Voltaren may also be used for purposes not listed in this medication guide.

Learn more about Voltaren at Drugs.com