HTR1A and Anxiety: Partial agonists of the 5-HT1A receptor and selective 5-HT reuptake inhibitors are frequently used in anxiety treatment.425,426 Buspirone, the partial agonist for the 5-HT1A receptor, is approved for treating anxiety due to neurosis.427 Paroxetine428 and Escitalopram, the 5-HT reuptake inhibitors, can relieve anxiety symptoms and prevent recurrence in patients.409 Trazodone is used to treat anxiety disorders with depressive symptoms and is suitable for patients with significant psychomotor agitation, anxiety, and insomnia.429