Many ulcers are caused by bacterial infections. Biaxin is the current recommended treatment. It's an erythromycin family antibiotic. Instead of using heartburn medication (Zantac, Tagamet), would an ulcer medication be more appropriate? Katherine A. Dettwyler, Ph.D. Associate Professor Department of Anthropology and Nutrition Texas A&M University Co-editor of "Breastfeeding: Biocultural Perspectives"