Back Pain-Off(R), Tablets, Magnesium Salicylate 290mg, Acetaminophen 250mg, Caffeine 50mg, Packet, 250 x 2, Back Pain, Provides Temporary Relief of Back Pain, Muscular Aches, Strains and Inflamed Joints of the Lumbar and Sacral Regions, Increases Blood Flow to Speed Relief, Includes Spanish Labeling Where Possible, Package Quantity 500