Is Aciphex an antacid

Yes it is a Gastric Acid Secretion Inhibitor used in Short-term (4-8 weeks) treatment and maintenance of erosive or ulcerative gastroesophageal reflux disease (GERD); symptomatic GERD; short-term (up to 4 weeks) treatment of duodenal ulcers; long-term treatment of pathological hypersecretory conditions, including Zollinger-Ellison syndrome