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Antacids don't require systemic absorption, so they provide relief within ______.

User Broke
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1 Answer

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Final answer:

Antacids work by chemically neutralizing stomach acid to provide relief from heartburn and indigestion.

Step-by-step explanation:

Antacids do not require systemic absorption and instead work by chemically neutralizing stomach gastric acid, which reduces damage and provides relief from symptoms such as heartburn and indigestion.

For example, a common antacid like Tums contains calcium carbonate which reacts with hydrochloric acid in the stomach:

CaCO3(s) + 2HCl(aq) -> CaCl2(aq) + H2O(l) + CO2(g)

This reaction not only neutralizes the stomach acid but also produces carbon dioxide gas, which may result in a satisfying belch.

User Blacelle
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