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The digestive system, with the stomach, liver, pancreas, large and small intestines, and rectum illustrated.
Figure 31.1 The digestive system breaks down food into nutrients that can be absorbed into the bloodstream to give the body energy and the ability to grow and repair itself. (attribution: Copyright Rice University, OpenStax, under CC BY 4.0 license)

Hyperacidity is a condition in which the stomach produces an excessive amount of stomach acid, primarily hydrochloric (HCl) acid. This excess acid production can lead to various gastrointestinal symptoms, including heartburn, regurgitation, abdominal discomfort, and in severe cases can contribute to the development of conditions such as gastroesophageal reflux disease (GERD) and peptic ulcer disease (PUD).

Hyperacidity can result from factors such as dietary choices, lifestyle habits, certain medications, or underlying medical conditions. This chapter will review drugs used to treat and manage hyperacidity disorders, including GERD and PUD.


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