Adverse Drug Reactions · Pharmacology

Which mechanism most commonly underlies drug allergies?

  1. Immune-mediated reaction
  2. Metabolic enzyme inhibition
  3. Receptor blockade
  4. Direct cytotoxic damage
Show answer and explanation

Correct answer: Immune-mediated reaction

Drug allergies are immune-mediated reactions involving hypersensitivity to a drug. They may involve antibodies or immune cells reacting against the drug or its metabolites.

Difficulty: Medium Question 8 of 20

Practice all 20 Adverse Drug Reactions questions

Keep practicing

More Adverse Drug Reactions questions