Dopamine does not treat the problem of depression, the main cause of depression may be 5-hydroxytryptamine and dopamine and other receptors abnormal, so the brain 5-hydroxytryptamine and dopamine content may be abnormal, such as 5-hydroxytryptamine content decreased. However, current theories suggest that the main cause may be an imbalance of neurotransmitters in the brain, so the current use of antidepressant medications focuses on selective 5-hydroxytryptamine reuptake inhibitors, such as citalopram, escitalopram, fluoxetine, paroxetine, fluvoxamine, etc., and dual-channel medications such as duloxetine, milnacipran, venlafaxine, etc., which are the first-line medications used in the treatment of depression, while dopamine is used as the first-line medication, and dopamine as the first-line medication. first-line medication, while dopamine is not a treatment for depression and should never be taken on its own.