How do nausea medications like Ondansetron work?

Question

I take it for some medical issues and was just curious as to how it prevents nausea and vomiting.

In: 7

Answer 1

[removed]

Answer 2

[removed]

Answer 3

I mean in a nutshell your intestines release serotonin to induce the vomiting reflex and zofran blocks those receptors. There is a more complex mechanism with vagal afferents but it’s not eli5 material haha.