Nexium is a prescription drug used where to get cheap nexium no prescription treat gastroesophageal reflux disease (GERD), acid reflux, and where to get cheap nexium no prescription other conditions. It may also be used to lower the risk of cancer in people with chronic stomach inflammation. Nexium is an antacid that lowers the amount of acid released by your stomach and helps protect the esophagus from stomach acid. It is meant for long-term use only.