Voltaren Emulgel 1% 50gVoltaren Emulgel is a topical nonsteroidal anti inflammatory (NSAID) gel that relieves joint and muscle pain, reduces inflammation, and targets swelling at the source. It contains diclofenac, which penetrates deeply into the skin, making it highly effective for treating sprains, strains, sports injuries, and osteoarthritis. Key Details at a Glance Active Ingredient: Diclofenac diethylamine (1. 16% or 2% strengths). Common Uses: Arthritis, muscle back