Antidepressants are specifically designed to alleviate symptoms of depression by targeting neurotransmitters in the brain that are linked to mood regulation. These medications work primarily by increasing levels of serotonin, norepinephrine, and dopamine in the brain, which are often found to be imbalanced in individuals suffering from depression. By correcting these imbalances, antidepressants can help lift the mood, improve sleep, and enhance overall functioning for those affected by depressive disorders.
In contrast, antipsychotic drugs are primarily used to treat symptoms associated with psychotic disorders, such as schizophrenia, by modulating dopamine pathways. Antianxiety medications are typically employed to manage anxiety disorders and work by enhancing the effects of a neurotransmitter called gamma-aminobutyric acid (GABA), which helps to calm the nervous system. Stimulants are mainly used to treat Attention Deficit Hyperactivity Disorder (ADHD) by increasing dopamine and norepinephrine to improve focus and attention, making them less appropriate for directly addressing depressive symptoms.