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|Noun||1.||histamine blocker - a medicine used to treat the gastric effects of histamine in cases of peptic ulcers and gastritis and gastroesophageal reflux; works by blocking the effects of histamine on the receptor site known as H2|
cimetidine, Tagamet - a drug (trade name Tagamet) used to treat peptic ulcers by decreasing the secretion of stomach acid
famotidine, Pepcid - a histamine blocker (trade name Pepcid) used to treat peptic ulcers and gastritis and esophageal reflux
medicament, medication, medicinal drug, medicine - (medicine) something that treats or prevents or alleviates the symptoms of disease