what's a dopamine agonist
Dopamine antagonists are most commonly used for psychiatric conditions. Photo Credit Purestock/Purestock/Getty Images. A dopamine antagonist is a chemical, medication or drug that prevents the actions stimulated by dopamine. Dopamine is a naturally produced chemical in the body that binds to regions in the brain to help regulate emotions and movement. Dopamine antagonists disrupt the activity of dopamine by blocking dopamine binding sites without activating them. These medications are used to treat a variety of disorders.