Aciphex (rabeprazole) is a proton pump inhibitor that reduces the amount of acid produced in the stomach. In addition, Aciphex is used briefly to treat the symptoms of gastroesophageal reflux disease in adults and children older than 1 year of age. It should be noted that Aciphex is not intended for immediate relief of heartburn symptoms. In this article, we will provide useful information for you to better understand the uses, indications and precautions when using Aciphex.