Mechanism of action of fluoxetine. In addition to the mechanism explained above, common to all SSRIsOther antidepressants such as amitriptyline (Elavil), amoxapine (Asendin), clomipramine (Anafranil), desipramine (Norpramin), doxepin, imipramine ( Tofranil), nortriptyline (Aventyl, Pamelor)...