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5 Cards in this Set

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What are the three types of drug interactions?
pharmacokinetic interactions are:
those in which plasma and aor tissue levels of a drug are altered by another drug.
pharmacodynamic interactions are:
those in which the action of a drug is altered by another drug.

Most occur at the receptor level
pharmaceutic interactions are:
chemical or physical reactions of drugs mixed in vitro.

Generally: don't mix drugs unless known to be compatible.
With regard to interactions affecting GI absorption, describe how a drug can affect the absorption of another drug.
Drugs, affect the gastric emptying time which affects the intestinal absorption rate.
1. Metoclopramide and cisapride are prokinetic drugs (increase ACh release) which increases gastric motility and gets it to the small intestines quicker which allows for greater absorption.