ANTIDEPRESSANT

an agent that elevates the mood and prevents or alleviates psychological depression. Antidepressant drugs are sometimes used as adjuvant analgesic to relieve neuropathic pain. Heterocyclic and tricyclic classifications refer to antidepressants with specific chemical structures. Other classes of antidepressants include MAO inhibitors and serotonin reuptake inhibitors (e.g., Prozac).