<unk>  (INN) is a serotonin 5-HT3 receptor antagonist for the treatment of nausea and vomiting.<unk>  is also indicated for a treatment of “diarrhea-predominant irritable bowel syndrome in males”. In India it is marketed under the brand name of "IBset".
It is only licensed for use in Japan and selected Southeast Asian countries. It is commonly sold under the tradename Nasea and in India as Nozia (300 mcg/ml Inj. & 100 mcg Tab.)
Ramosetron
Lerisetron
Tropisetron
Granisetron 
Alosetron
Dolastetron 
Palonosetron
Cilansetron