Voltaren Gel (diclofenac topical) is used to treat joint pain in the hands, wrists, elbows, knees and feet. Includes Voltaren Gel side effects, interactions and indications. Voltaren gel contains an NSAID medication that is similar to the pain drug ibuprofen. It works by reducing substances in the body that cause pain and inflammation and works best on small joints. Explore the full range of Voltaren gels. Compare products by pain type and find out how to choose a Voltaren product to relieve your pain here. Topical diclofenac (Voltaren) is commonly used to treat arthritis pain in the hands, wrists, elbows, feet, ankles, or knees. Learn more about Voltaren gel for arthritis. Voltaren is the first full prescription strength over-the-counter topical NSAID gel that treats arthritis pain at the source. Unlike pills, our gel penetrates deep through the skin to the joint. Voltaren (diclofenac) is used to treat pain or inflammation caused by arthritis or ankylosing spondylitis. Includes Voltaren side effects, interactions and indications. The 1 doctor recommended OTC topical pain relief brand, Voltaren is approved for arthritis pain. It has a triple effect that relieves arthritis pain, improves mobility and reduces stiffness to provide prescription-strength relief over the counter and keep you in control. Discover Voltaren’s products, ranging from arthritis pain relief gel to dietary supplements. They support your joints and health so you can feel your best as you move through life. Find patient medical information for Diclofenac (Cataflam, Voltaren, others) on WebMD including its uses, side effects and safety, interactions, pictures, warnings, and user ratings Brand Name US Brand Name Cambia Cataflam Voltaren Voltaren-XR Zipsor Zorvolex Back to top.