<p>Ondansetron is a serotonin subtype 3 (5-HT3) receptor antagonist indicated:</p>

<ul>
	<li>Prevention of nausea and vomiting associated with initial and repeat courses of emetogenic cancer chemotherapy.</li>
	<li>Prevention and treatment of post-operative nausea and vomiting.</li>
	<li>Prevention of radiotherapy-induced nausea and vomiting.</li>
</ul>