Cramp911 is fast acting topical muscle relaxer for cramps in the leg and muscle cramps and muscle spasms. There is no topical muscle relaxer on the market that works as fast as Cramp911. Relief starts in as little as 15 seconds. People of all ages can use Cramp911 for rapid relief of acute muscle cramps but Cramp911 can also be used as a preventative. Other uses are back and neck pain caused by muscle spasms. Cramp911 is effective for toe, foot and hand cramps. People can get muscle cramps from drug side effects such as from Stain drugs or PPI antacid medications such as Prilosec, Nexium,etc. Athletes of all ages have had success with Cramp911. Cramp911 is available in most major retailers. See our website for the closest retailer.