<unk> (injection) is an antiemetic that is FDA approved for the prophylaxis of prevention of nausea and/or vomiting.   Common adverse reactions include asthenia, headache, somnolence, fever.
Granisetron 
Tropisetron
Lerisetron
Ramosetron
Alosetron
Dolastetron 
Cilansetron
Palonosetron