What is the first step in evaluating a suspected adverse drug reaction in a patient?
Show answer and explanation
Correct answer: Take a detailed drug and timing history
A detailed history including timing of drug initiation relative to symptom onset is critical for attributing causality to an ADR and distinguishing it from other causes.
Practice all 19 Adverse Drug Reactions and Interactions questions
Keep practicing
More Adverse Drug Reactions and Interactions questions
- Which statement about drug–drug interactions is correct?
- Which of the following best describes a Type A adverse drug reaction (ADR)?
- Which is an example of a Type B (idiosyncratic) adverse drug reaction?
- A patient on warfarin starts a new drug that inhibits CYP2C9. What is the most likely consequence?
- Which mechanism underlies many serious drug–drug interactions (DDIs)?
- Grapefruit juice can increase plasma levels of certain medications by inhibiting which enzyme in the gut and liver?