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21 Cards in this Set
- Front
- Back
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Desired Action
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The intended beneficial act of a drug
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Side Effect
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An effect of a drug other than the one for which it was given; may or may not be harmful
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Iatrogenic drug response
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An unintentional disease or drug effect produced by a physician's prescribed therapy
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Additive effect
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The combined effect of two drugs given at the same time that have similar effects
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Adverse effect (reaction)
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An unintentional, undesirable, and often unpredictable effect of a drug used at therapeutic doses to prevent, diagnose, or treat disease
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Anaphylactic reaction
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An unusual or exaggerated allergic reaction to a foreign substance
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Cross tolerance
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Decreasing responsiveness to the effects of a drug in a drug classification (such as narcotics) and the likelihood of development of decreased responsiveness to another drug in that classification
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Cumulative action
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Increased intensity of a drug action evident after administration of several doses
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Delayed reaction
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A delay between exposure and onset of action
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Drug allergy
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A reaction to a medication with an adverse outcome; an immunologic reaction to a drug
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Drug antagonism
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The interaction between two drugs in which one partially or completely inhibits the effects of the other
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Drug dependence
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A physical need or adaptation to the drug with or without the psychological need to take the drug
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Drug interaction
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The manner in which one drug and a second drug (or food) act on each other
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Hypersensitivity
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Altered reactivity to a medication that occurs after sensitization; response is independent of the dose
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Idiosyncrasy
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An unexpected and usually individual (genetic) adverse response to a drug
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Interference
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The ability of one drug to limit the physiologic function of another drug
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Potentiation
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A prolongation or increase in the effect of a drug by another drug
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Summation
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The combined effects of two or more drugs that are equal to the sum of each of their effects
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Synergism
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The interaction of drugs such that the total effect is greater than the sum of the individual effects
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Tachyphlaxis
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The rapidly decreasing response to a drug or physiologically active agent after administration of a few doses; rapid doses tolerance
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Tolerance
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Decreasing responsiveness to the effects of a drug; increasingly larger doses are necessary to achieve the effect originally obtained by a smaller dose
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