Heartburn, acid reflux, and gastroesophageal reflux disease (GERD) are related, and the terms are often used interchangeably, but they are not the same. Heartburn is a symptom of acid reflux that ...
Besides the OTC-strength H2 blockers, there are versions of Axid (nizatidine), Pepcid (famotidine), and Tagamet (cimetidine) available by prescription. Prescription H2 blockers are higher in dosage ...