A child is being admitted to the hospital with acute gastroenteritis. The health care provider prescribes an antiemetic. What antiemetic does the nurse anticipate being prescribed?
a. Ondansetron (Zofran)
b. Promethazine (Phenergan)
c. Metoclopramide (Reglan)
d. Dimenhydrinate (Dramamine)
ANS: A
Ondansetron reduces the duration of vomiting in children with acute gastroenteritis. This would be the expected prescribed antiemetic. Adverse effects with earlier generation antiemetics (e.g., promethazine and metoclopramide) include somnolence, nervousness, irritability, and dystonic reactions and should not be routinely administered to children. For children who are prone to motion sickness, it is often helpful to administer an appropriate dose of dimenhydrinate (Dramamine) before a trip, but it would not be ordered as an antiemetic.
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