Chemotherapy and Toxicology · USMLE Step 1

Which chemotherapy drug is associated with acute cholinergic diarrhea due to its mechanism as a topoisomerase I inhibitor?

  1. Etoposide
  2. Cisplatin
  3. Irinotecan
  4. Vincristine
Show answer and explanation

Correct answer: Irinotecan

Irinotecan inhibits topoisomerase I and is known for causing cholinergic diarrhea and delayed diarrhea due to mucosal damage.

Difficulty: Medium Question 17 of 20

Practice all 20 Chemotherapy and Toxicology questions

Keep practicing

More Chemotherapy and Toxicology questions