Tegaserod is a
5HT3 antagonist
D2 antagonist
5HT4 agonist
NK1 antagonist
Cisapride, Mosapride, Prucalopride and Tegaserod are 5HT4 agonists used as prokinetics in constipation.
Tegaserod is withdrawn from market because of increased risk of myocardial infarction & stroke.