Antacids are a type of drug used by people who have pain due to too much acid in their stomachs. When the antacid is taken, the acid undergoes a chemical reaction with the antacid. The antacid neutralizes the acid by changing it into water, a neutral liquid. The stomach pain disappears because there is no longer too much acid in the stomach.
Antacids work by neutralizing acid and coating the stomach.
Example –
The opposite of an acid is a base, and that’s exactly what an antacid. Antacids make you feel better by increasing the PH balance in your stomach.