ondansetron

Class:

Antiemetics: 5-HT3 Antagonists

Indication:

Nausea, vomiting.

Mode of Action:

Blocks serotonin receptors in the chemoreceptor trigger zone (CTZ).

Cautions:

Not in source

Indication:

Headache, constipation, diarrhea, QT prolongation.

NC/PT:

Administer prior to chemotherapy (vs. treating nausea/vomiting that is already occurring).