Voltaren Emulgel Back & Muscle Pain is #1 pain relief gel recommended by Doctors & Pharmacists. It’s a clinically proven pain reliever. Unique formula penetrates into the skin and to the source of pain. Reduces inflammation, provides relief from muscle pain, back pain and more, to help you get back to moving sooner. For those experiencing muscle pain, back pain and lower back pain. 4 in 5 Doctors recommend Voltaren Emulgel. It relieves pain and reduces inflammation of back pain, lower back pain, muscle pain. Relieves pain associated with acute, localized, minor muscle or joint injuries such as sprains, strains, or sports injuries (e.g. ankle sprain, shoulder pain/strain or back muscle pain).