What are examples of antacids?

What is heartburn? It is a burning or burning pain in the lower part of the chest , behind the sternum or throat, and occurs due to the return of the acid itself from the stomach to the esophagus because the muscular ring does not close. If this happens, it is best to take an antacid, that is, a drug, usually a base , whose purpose is to neutralize, reduce and balance said excess acid by acting on the stomach by regulating its pH.

There are two types of antacids:

  • Systemic : it is absorbed into the body temporarily, so its consumption can cause some mild consequence.
  • Non-systemic : it has less absorption, since it is composed of aluminum, magnesium or calcium derivatives, such as almagate.

If you want to have more information about antacids keep reading because we show you several interesting examples .

Sodium bicarbonate

Sodium bicarbonate, also called sodium hydrogen carbonate, is a water-soluble crystalline compound obtained from the mineral natron and found in nature. It is used to relieve heartburn and the corresponding acid reflux, also known as heartburn.

Calcium carbonate

Calcium carbonate, also called calcium carbonate, is an odorless white powder that is very abundant in the environment , both in inorganic matter (rocks) and in living beings (molluscs and corals). In medicine it is used as an antacid and also as a calcium supplement and adsorbent agent.


Lansoprazole is a proton pump inhibitor used to reduce the amount of acid produced by the stomach. This medicine that comes in capsules is used to treat people with reflux problems and swelling of the lining of the throat or stomach.


Sucralfate is a complex that contains an aluminum salt whose function is to relieve the symptoms of gastric hyperacidity . It also stands out for forming a protective tapestry over stomach and duodenal ulcers, bearing in mind that it is more effective if taken before meals.

Magnesium hydroxide

Magnesium hydroxide, also known as milk of magnesia, is an inorganic compound used as a laxative and antacid.

It is characterized by exercising “in situ”, in the place where it is applied, with the aim of increasing the pH of the stomach content and other problems that cause gastric hyperacidity.

Other antacids

  • Omeprazole ; It is part of the proton pump inhibitors and is used in diseases related to gastric acid secretion,
  • Esomeprazole : is a gastro-resistant tablet that, if taken continuously for 5 days, reduces the average production of acid by 90%.
  • Pantoprazole ; It is a selective inhibitor that is used to treat pathologies due to excess stomach acid, for example in Zollinger-Ellison syndrome.
  • Rabeprazole : is a delayed-release medicine that is used as short-term treatments for the reduction of acidity.

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