An antacid is a substance which
stomach acidity and is used to relieve
indigestion or an upset stomach.
Antacids are available
over the counter and are taken by mouth to quickly relieve occasional
heartburn, the major symptom of
gastroesophageal reflux disease and also
indigestion. Treatment with antacids alone is
symptomatic and only justified for minor symptoms.
Antacids are distinct from acid-reducing drugs like
H2-receptor antagonists or
proton pump inhibitors and they do not kill the bacteria
Helicobacter pylori, which causes most