Achlorhydria

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Achlorhydria
Other names	Hypochlorhydria
Hydrogen chloride (major component of gastric acid)
Pronunciation	/eɪklɔːrˈhaɪdriə/
Specialty	Internal medicine
Symptoms	Most of the time none, but may cause and not limited to, heartburn, stomach pain, and early satiety
Complications	Anemia, small intestinal bacterial overgrowth
Causes	Pernicious anemia, helicobacter pylori infection, hypothyroidism, stomach surgery, nutritional deficiencies, and long term use of medications to treat heartburn

Achlorhydria and hypochlorhydria refer to states where the production of hydrochloric acid in gastric secretions of the stomach and other digestive organs is absent or low, respectively.^[1] It is associated with various other medical problems.