Zegerid is a drug company that sells prescription and over-the-counter medications for gastrointestinal diseases, such as heartburn, peptic ulcer disease, and Barrett's esophagus. It was founded in 1957 by Dr. Robert Zeder and Dr. John Zeder, and today has offices in the United States, Australia, Canada, the United Kingdom, Ireland, Germany, and France. They also have an international medical consulting unit with over 100 doctors in 62 countries. Zegerid also has a line of products that help with digestive problems: Zantac (30 mg), Pepcid (20 mg), Nexium (20 mg), Prevacid (12.5 mg), Prilosec (20 mg), and Protonix (40 mg). Zegerid offers treatments for the following diseases: heartburn, peptic ulcers, and Barrett's esophagus. They have medications for these diseases that include Zantac (30 mg), Pepcid (20 mg), Nexium (20mg), Prevacid (12.5 mg), Prilosec (20 mg), and Protonix (40 mg). Zegerid is a drug company that sells prescription and over-the-counter medications for gastrointestinal diseases, such as heartburn, peptic ulcer disease, and Barrett's esophagus. They also have an international medical consulting unit with over 100 doctors in 62 countries. Zegerid offers treatments for the following diseases: heartburn, peptic ulcers, and Barrett's esophagus. They have medications for these diseases that include Zantac (30 mg), Pepcid (20 mg), Nexium (20mg), Prevacid (12.5 mg), Prilosec (20 mg), and Protonix (40 mg).