Medinfo: Peptic Ulcer - Information for patients including symptoms, causes, diagnosis, and treatment and prevention. Ulcers and Bacteria I - A paper on the development, science, and acceptance of the bacterial theory by Dr. Paul Thagard, Director of the Cognitive Science Program at the University of Waterloo, Canada. EverydayHealth: Ulcers - Provides an overview and information on the symptoms, diagnosis, treatment and management. NHS Choices: Peptic Ulcer - Provides a short video and details of symptoms, causes, diagnosis, treatment and complications. eMedicine: Peptic Ulcer Disease - Dr. George Fantry reports on symptoms and treatment of stomach and duodenal peptic ulcers often caused by Helicobacter pylori infections, NSAIDs, or stress. eMedicine Health: Peptic Ulcers - Consumer health resource center providing information on the causes, symptoms, and treatment of this condition. Pediatric OnCall - A time tested home made remedy for the treatment of acidity.