UNIT 11 Serotonin Receptor Antagonist

Question 1

What is the drug class of Ondastetron?

Answer 1

Serotonin Recepter Antagonist

Question 2

What is the action of Ondasetron

Answer 2

Action
 Block serotonin receptors in the CTZ
 Block vagal nerve terminals in the upper GI tract

 Uses
 Most effective antiemetic available
 N/V from chemotherapy/radiation

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Question 3

Side effect of Ondansetron?

Answer 3

 Common side effects: headache, dizziness,
fatigue and weakness