Rizatriptan: Effects and Side Effects

What is rizatriptan and how does it work? Rizatriptan is a so-called serotonin receptor agonist: the active ingredient binds to the docking sites of the body’s own messenger substance serotonin (5-HT1 receptors) on blood vessels and nerve cells in the brain. As a result, the blood vessels, which are most likely dilated during a migraine … Rizatriptan: Effects and Side Effects