Tegaserod acts at the following receptor:
Tegaserod is a serotonin 5-HT4 paial agonist that has high affinity for 5-HT4 receptors but no appreciable binding to 5-HT3 or dopamine receptors. Tegaserod was approved for the treatment of patients with chronic constipation and IBS with predominant constipation. Ref: Katzung 11th edition Chapter 60.
Histamine
Serotonin
Thromboxane
None of the above