Voltaren Diclofenac Emulgel for Back Pain & Muscle Pain with No Mess Applicator is the pain relief formula which contains diclofenac as the active ingredient. This gel formula is designed to relieve acute pain and swelling in muscles, back, and shoulder resulting from injuries such as sprains, strains, and sports injuries. An alternative to pills, Voltaren Diclofenac Emulgel treats pain by targeting pain directly at the source to deliver clinically proven nonsteroidal anti-inflammatory medicine for powerful pain relief with a proven safety profile. Diclofenac diethylamine 1.16% w/w is the active ingredient in this gel. Diclofenac is a non-steroidal anti-inflammatory drug (NSAID) that works by blocking the production of certain chemicals in the body responsible for inflammation, pain, and tenderness. This product comes with a no mess applicator, making it easy and clean to apply the gel directly to the affected area. The gel is designed to relieve pain at its source, providing effective relief for acute pain and reducing inflammation. The Emulgel formula provides the combined benefits of a moisturizing cream and a cooling gel, offering a dual function for comfort. The formula is clinically proven to relieve joint pain, reduce stiffness, and improve mobility. Overall, Voltaren Diclofenac Emulgel for Back & Muscle Pain with No Mess Applicator is indicated for acute, localized muscle or joint injuries such as sprains, strains, or sports injuries (e.g., sprained ankle, strained shoulder, or back muscles).