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Drugs given orally enter the body by way of traveling through the mouth and into the GI system. Drugs given parenteraly enter through the blood stream (IVs, for example) and act within the body must faster than those given orally. There is a higher risk for infection or complication with parenteral administration than with oral.

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Q: What is the differace between oral route administration and parenteral route?
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What does the term parenteral mean?

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