Achlorhydria

Abstract
CLINICAL entities that are at times associated with achlorhydria command the attention not only of the gastroenterologist but also of the internist, the hematologist and the dermatologist. Invariably present in pernicious anemia, gastric anacidity is encountered in gastritis of all types, as well as in gastric carcinoma and sprue. It has been reported a frequent finding in microcytic anemia,1 , 2 hyperthyroidism3 and chronic arthritis.4 For many years dilute hydrochloric acid has been employed in various dermatologic disorders, particularly acne rosacea, and more recently it has been recommended for urticaria.5 The gastroenterologist occasionally encounters patients who have been taking dilute hydrochloric acid . . .

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