Voltaren (diclofenac) is a nonsteroidal anti-inflammatory drug (NSAID). Voltaren works by reducing substances in the body that cause pain and inflammation. Voltaren oral tablets are used to treat mild to moderate pain, or signs and symptoms of osteoarthritis or rheumatoid arthritis. Voltaren is also used to treat ankylosing spondylitis. Breastfeeding while using Voltaren Gel topical is not recommended. and may harm a nursing baby. Breastfeeding while using Voltaren Gel topical is not recommended. Our Voltaren Gel Side Effects Drug Center provides a comprehensive view of available drug information on the potential side effects when taking this medication. VOLTAREN GEL prescription and dosage sizes information for physicians and healthcare professionals. Pharmacology, adverse reactions, warnings and side effects. The information is not intended to cover all possible uses, directions, precautions, drug interactions or adverse effects, nor should it be construed to indicate that use of a particular drug is. Voltaren Emulgel: Diclofenac belongs to the class of medications known as nonsteroidal anti-inflammatory drugs (NSAIDs). It works by reducing pain, swelling, and inflammation. Diclofenac topical gel (applied to the skin) is used to relieve pain associated with recent muscle or joint injuries such as sprains, strains, or sports injuries. It is. Diclofenac (Voltaren, Cataflam, Voltaren-XR, Cambia) is a nonsteroidal anti-inflammatory medication prescribed to treat inflammation and pain caused by conditions such as rheumatoid arthritis, osteoarthritis, ankylosing spondylitis, tendinitis, bursitis, and menstrual cramps. Side effects, drug interactions, dosage, and pregnancy safety should be reviewed prior to taking this medication. Diclofenac, sold under the trade names Voltaren among others, is a nonsteroidal anti-inflammatory drug (NSAID) used to treat pain and inflammatory diseases such as gout. It is taken by mouth or applied to the skin. [3] Voltaren is the brand name of a drug that is used to treat osteoarthritis in joints. It comes in gel form and is a non steroidal anti-inflammatory drug otherwise known as an NSAID. Voltaren is the brand name of a drug that is used to treat osteoarthritis in joints. It comes in gel form and is a non steroidal anti-inflammatory drug otherwise known as an NSAID. Voltaren Gel may not be effective in treating arthritis pain elsewhere in the body. Important Information. You should not use Voltaren Gel if you have ever had asthma or a severe allergic reaction caused by aspirin, diclofenac (Cataflam, Voltaren), or another nonsteroidal anti-inflammatory drug (NSAID).