Adverse Drug Reactions · Pharmacology

Which term describes the reduced effectiveness of a drug due to repeated use requiring higher doses?

  1. Hypersensitivity
  2. Idiosyncrasy
  3. Allergy
  4. Tolerance
Show answer and explanation

Correct answer: Tolerance

Tolerance occurs when repeated drug use leads to reduced responsiveness. Patients may require higher doses to achieve the same therapeutic effect.

Difficulty: Medium Question 19 of 20

Practice all 20 Adverse Drug Reactions questions

Keep practicing

More Adverse Drug Reactions questions