Question: is pepcid ac and zantac the same thing?
Answer: Are Pepcid and Zantac the Same Thing? Pepcid (famotidine) and Zantac (ranitidine hydrochloride) are H2-blockers used to treat and prevent recurrence of stomach and duodenal ulcers. Pepcid is also useful in managing heartburn, gastroesophageal reflux disease (GERD), and Zollinger-Ellison syndrome.