Recent studies suggest that ondansetron, a commonly used antiemetic, also affects hypotension.
[ncbi.nlm.nih.gov]
Eligibility criteria included at least two of the known risk factors for PONV: female sex, nonsmoking status, prior history of PONV or motion sickness and expected postoperative
[ncbi.nlm.nih.gov]
Adverse Reactions: Diarrhea, headache, fever, constipation, fatigue, transient blindness; serotonin syndrome (discontinue if occurs); rare: angina, bronchospasm, anaphylaxis
[empr.com]