antacid


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antacid,

any one of several basic substances that counteract stomach acidity (see stomachstomach,
saclike dilation in the gastrointestinal tract between the esophagus and the intestines, forming an organ of digestion. The stomach is present in virtually all vertebrate animals and in many invertebrates.
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). Antacids are used by physicians to treat hyperchlorhydria, i.e., the excessive production of hydrochloric acid by the parietal cells lining the stomach. Commonly used antacid preparations, most sold without prescription, contain sodium bicarbonate, magnesium hydroxide, or aluminum hydroxide. Some preparations contain substances such as magnesium trisilicate that reduce the formation of gas.

antacid

[′ant′as·əd]
(chemistry)
Any substance that counteracts or neutralizes acidity.

antacid

1. a substance used to neutralize acidity, esp in the stomach
2. having the properties of this substance
References in periodicals archive ?
Eat little and often, sleep with several pillows, take antacids and see your doctor for a specific diagnosis and treatment.
For people experiencing occasional symptoms, over-the-counter (OTC) antacids are ideal.
In a retrospective study, the use of levofloxacin (Levaquin[R]), combined with antacids containing aluminum, zinc, magnesium, iron, or calcium, was examined in more than 3,000 hospitalized patients.
If over-the-counter preparations are ineffective, your GP can prescribe you stronger antacid medication.
Bisodol Extra Tablets offer powerful relief, by combining two fast-acting antacids with a third ingredient - an extra reflux suppressant.
The music producer said for eight years he has taken Prozac, Neurontin, Klonopin, tetracycline ``for my skin'' and ``a heavier antacid which is a prescribed antacid but it's not an antacid.
The patient was later evaluated by an otolaryngologist, who diagnosed gastroesophageal reflux disease (GERD) and prescribed an antacid.
The national bill for antacid remedies has soared by 13 per cent in the past five years, say market analysts Euromonitor, as more people choose junk food and eat on the move in their battle to cope with long working hours and hectic social lives,
So the original drug had to be taken with a powerful antacid to protect it--which had other disadvantages, including causing diarrhea in some patients, and preventing absorption of certain other drugs which require an acid stomach to work properly.
When it occurs only once in a while, an over-the-counter antacid or acid blocker usually is enough to quell the symptoms.
For the first few days of treatment, doctors often recommend taking an antacid to relieve pain.
Forgoing the chalky flavor and gritty texture of most antacids, Relief OTC(TM) Antacid is a great-tasting orange creme-flavored drink that begins to work quickly by neutralizing acid.