Thiethylperazine

**Definition:** A dopamine antagonist that is particularly useful in treating the nausea and vomiting associated with anesthesia, mildly emetic cancer chemotherapy agents, radiation therapy, and toxins. This piperazine phenothiazine does not prevent vertigo or motion sickness. (From AMA Drug Evaluations Annual, 1994, p457)

**Tree numbers:** - D02.886.369.780 - D03.383.606.880 - D03.633.300.783.780