Compare to the active ingredient in Voltaren Arthritis Pain Topical Gel Original prescription strength Medicated gel clinically proven to relieve arthritis pain For daily treatment of arthritis pain Anti-inflammatory For external use only For topical use only Uses for the temporary relief of arthritis pain ONLY in the following areas: hand, wrist, elbow (upper body areas) ¦ foot, ankle, knee (lower body areas) this product may take up to 7 days to work for arthritis pain; it is not for immediate relief. If no pain relief in 7 days, stop use.