Which category of adverse drug reaction is unpredictable and not related to the pharmacological action of the drug?
Show answer and explanation
Correct answer: Type B reaction
Type B (bizarre) reactions are unpredictable and unrelated to the known pharmacological effects of the drug. They are usually rare and may involve allergic or idiosyncratic mechanisms.
Keep practicing
More Adverse Drug Reactions questions
- Which term describes harmful effects produced by a drug when given at normal therapeutic doses?
- Which adverse drug reaction type is associated with long-term therapy?
- Which term describes an abnormal and genetically determined reaction to a drug?
- Which adverse drug reaction results from sudden withdrawal of a drug?
- Which term refers to a decreased response to a drug after repeated administration?
- Which mechanism most commonly underlies drug allergies?