Antacids are medicines that neutralize stomach acid . antacid is a substance which neutralizes stomach acidity, which in turn relieves heartburn, indigestion or stomach upset.

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 such as sodium bicarbonate, magnesium hydroxide and aluminum hydroxide neutralize the excess stomach acid


Side effects

Versions with magnesium may cause diarrhoea, and brands with calcium or aluminium may cause constipation and rarely, long-term use may cause kidney stones.

Long term use of versions with aluminum may increase the risk for getting osteoporosis.