Acidity is caused in the stomach when excess production of acid is formed by the gastric glands. The stomach normally secrets hydrochloric acid which is required for the breakdown and digestion of the food we eat. Acidity is generally affected by various external factors such as eating habits, stress, bad diet, smoking and alcohol consumption, lack of physical activities and irregularity in eating pattern.Acidity may cause stomach ailments like peptic ulcers, gastroesophageal reflux disease, stomach tumors, etc. This disease can be treated with antacids and mainly by making changes in eating and lifestyle habits. These antacids neutralize the excess acid in the stomach and hence provide relief from Acidity.