Which factor increases the risk of adverse drug reactions in a patient?
Show answer and explanation
Correct answer: Polypharmacy (multiple drugs)
Taking multiple medications increases the likelihood of drug–drug interactions and adverse reactions. Polypharmacy is a major risk factor for ADRs.
Practice all 19 Adverse Drug Reactions and Interactions questions
Keep practicing
More Adverse Drug Reactions and Interactions questions
- Which scenario best illustrates a pharmacodynamic drug–drug interaction?
- A patient develops neutropenia after a course of chloramphenicol. This ADR is best classified as which type?
- Which of the following increases the risk of toxicity when a drug with narrow therapeutic index is given with a strong CYP inhibitor?
- A patient experiences Stevens–Johnson syndrome after starting a sulfonamide antibiotic. What kind of ADR is this?
- Which of the following drug–drug combinations should be avoided because of high risk of serious toxicity due to interaction via CYP3A4 inhi…
- When a patient’s renal function declines markedly, what happens to clearance and risk of drug toxicity for renally excreted drugs?