Pharmacology True regarding ondansetron are all of the following except: March 2010 A Antiemetic of choice for chemotherapy induced vomiting B 5-HT3 receptor antagonist C Significant drug interactions D May have 5-HT4 antagonism 💡 Explanation True regarding ondansetron are all of the following except: March 2010 ✓ Correct Answer: C. Significant drug interactions