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Which is the site of action of antacid drugs?

Where do antacids work?

Antacids work by counteracting (neutralising) the acid in your stomach. They do this because the chemicals in antacids are bases (alkalis) which are the opposite of acids. A reaction between an acid and base is called neutralisation. This neutralisation makes the stomach contents less corrosive.

How do antacids tablets work?

Antacids reduce acidity by neutralizing (counteracting) acid, reducing the acidity in the stomach, and reducing the amount of acid that is refluxed into the esophagus or emptied into the duodenum.

Which base is used for making antacid medicine?

Antacids, which combat excess stomach acid, are comprised of bases such as magnesium hydroxide or sodium hydrogen carbonate.

Do antacids raise or lower pH?

Antacids are drugs capable of buffering stomach acid. Antacids raise the pH of the stomach contents toward neutrality. An antacid that raises the pH from 1.5 to 3.5 produces a 100-fold reduction in the concentration of gastric acid.

Why are antacids bad for you?

Side effects from misuse Many antacids — including Maalox, Mylanta, Rolaids and Tums — contain calcium. If you take too much or take them for longer than directed, you could get an overdose of calcium. Too much calcium can cause: nausea.

What is antacids & example?

Antacids are medication that neutralize stomach acid to cut down on heartburn. Examples of antacids include: Aluminum hydroxide gel (Alternagel, Amphojel) Calcium carbonate (Alka-Seltzer, Tums )

What is the best acid reflux medicine?

These include esomeprazole ( Nexium ), lansoprazole ( Prevacid ), omeprazole ( Prilosec , Zegerid ), pantoprazole ( Protonix ), rabeprazole (Aciphex) and dexlansoprazole (Dexilant). Although generally well-tolerated, these medications might cause diarrhea, headache, nausea and vitamin B-12 deficiency.

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What is the best antacid tablet?

If your symptoms strike less often, use a fast-acting over-the-counter antacid such as Maalox, Mylanta, Rolaids , or Tums. Or try an over-the-counter H2 blocker, such as famotidine (Pepcid AC) or ranitidine (Zantac 75). They tend to cause fewer side effects and are typically cheaper than PPIs.

What is the most effective antacid?

Calcium Carbonate [ CaCO3 ] – Calcium Carbonate (chalk) is the most potent usable antacid. It can completely neutralize stomach acid.

What type of chemical is an antacid?

Antacid, also spelled antiacid, any substance, such as sodium bicarbonate , magnesium hydroxide, calcium carbonate , or aluminum hydroxide, used to counteract or neutralize gastric acids and relieve the discomfort caused by gastric acidity.

What are 5 examples of bases?

Some common strong Arrhenius bases include: Potassium hydroxide (KOH) Sodium hydroxide (NaOH) Barium hydroxide (Ba(OH)2) Caesium hydroxide (CsOH) Strontium hydroxide (Sr(OH)2) Calcium hydroxide (Ca(OH)2) Lithium hydroxide (LiOH) Rubidium hydroxide (RbOH)

What are three uses of bases?

Uses of bases Sodium hydroxide is used in the manufacture of soap, paper, and the synthetic fiber rayon. Calcium hydroxide (slaked lime) is used in the manufacture of bleaching powder. Calcium hydroxide is also used to clean the sulfur dioxide, which is caused by the exhaust, that is found in power plants and factories.

What foods neutralize stomach acid?

Foods That Help Prevent Acid Reflux High-fiber foods. Fibrous foods make you feel full so you’re less likely to overeat, which may contribute to heartburn. Alkaline foods. Foods fall somewhere along the pH scale (an indicator of acid levels). Watery foods. Milk . Ginger . Apple cider vinegar. Lemon water.

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What is the safest antacid?

FDA declares Pepcid , Nexium and others free of NDMA. The bad news for heartburn sufferers, of course, is that Zantac and its ranitidine generics have, perhaps for years, contained a suspected carcinogen without the FDA knowing it.

What acid is produced in the stomach to help digest food?

Gastric juice is made up of digestive enzymes , hydrochloric acid and other substances that are important for absorbing nutrients – about 3 to 4 liters of gastric juice are produced per day. The hydrochloric acid in the gastric juice breaks down the food and the digestive enzymes split up the proteins .

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