Chemistry:Heterocyclic antidepressant

Heterocyclic antidepressants inhibit the nerve cells' ability to reuptake norepinephrine and serotonin. This group of drugs, once the mainstay of treatment, include:

• Tricyclic antidepressants
• Tetracyclic antidepressants
• Tiazesim, an old antidepressant that is tricyclic and heterocyclic.