Caberdost is actively composed of Cabergoline, which belongs to a category of medicines called dopamine agonists. Various drugs in this class show similar effects. Dopamine is a brain chemical that our body secrets. A higher level of dopamine inhibits the production of the prolactin hormone. Cabergoline is the active component that works by binding to dopamine receptors in the CNS. Therefore, this drug inhibits the further activity of prolactin and controls its levels in your body.