Chapter 7: Adverse Drug Reactions and Medication Errors Flashcards
adverse drug reactions
any noxious, unintended, and undesired effect that occurs at normal drug doses
adverse drug reactions excludes
excessive dosages
mild reactions
drowsiness, nausea, itching, and rash
severe reactions
potentially fatal
- respiratory depression, neutropenia, helatocellular injury, anaphylazis, and hemmorage
adverse drug reactions are most common in
elderly and very young
side effect
- nearly unavoidable drug effect at therapeutic doses
toxicity
adverse drug reaction caused by excessive dosing
- may occur even with normal dosing in neutropenia and anticancer medications
allergic reaction
- immune respose
- determined primarily by the degree of sensitization of the immune system rather than by drug dosage
what are the most common drugs for allergic reactions
antibiotics (penicillin)
idiosyncratic effect
uncommon drug responses resulting from a genetic predisposition
Example: anaesthetics
paradoxical effect
- opposite of the intended drug response
latrogenic disease
- disease produced by a physician or a disease produced by a drug
iatrogenic disease is also called
drug induced disease
physical dependence
a state in which the body has adapted to drug exposure in such a way that an abstience syndrome will rsult if drug use is discontinued