Science Fair Project Encyclopedia
Antacid
An antacid is any substance that counteracts stomach acidity. It is taken by mouth to relieve heartburn, sour stomach, or acid indigestion. Most antacids buffer gastric acid, raising the pH to reduce acid damage. If antacids are ineffective, medication (H2-receptor antagonist]]s or proton pump inhibitors) may relieve the symptoms. Poor response to medication may be a reason to suspect an underlying medical condition.
Antacids are:
- Aluminium hydroxide (Amphojel®, AlternaGEL®)
- Magnesium hydroxide (Phillips’® Milk of Magnesia)
- Aluminium hydroxide and magnesium hydroxide (Maalox®, Mylanta®)
- Aluminium carbonate gel (Basajel®)
- Calcium carbonate (Tums®, Titralac®, Calcium Rich Rolaids®)
- Sodium bicarbonate (Bicarbonate of soda)
- Hydrotalcite (Mg6Al2(CO3)(OH)16 · 4(H2O); Talcid®)
Last updated: 10-24-2005 04:48:37
10-26-2009 08:16:03
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The contents of this article is licensed from www.wikipedia.org under the GNU Free Documentation License. Click here to see the transparent copy and copyright details