This document discusses treatments for peptic ulcer. It begins by outlining the objectives of understanding classification of treatments, mechanisms of action, and which treatments are used depending on condition. It then introduces specific treatments which act directly on receptors, drugs, or bacteria involved. Specific treatments discussed include proton pump inhibitors, H2 blockers, muscarinic blockers, gastric blockers, antibiotics, and NSAIDs. Non-specific treatments involve managing stress, diet, alternative therapies, and surgery is discussed for cases that do not heal or continue bleeding. The document provides details on the mechanisms and examples of drugs for several common specific treatments for reducing acid secretion and treating Helicobacter pylori infection.