Nizatidine is a histamine H2-receptor antagonist that inhibits stomach acid production, and commonly used in the treatment of peptic ulcer disease (PUD) and gastroesophageal reflux disease (GERD). It was developed by Eli Lilly and is marketed under the trade names Tazac and Axid.
Certain preparations of nizatadine are now available over the counter in various countries including the United States.
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Nizatidine - Familydoctor.org - Information for patients in English and Spanish.