Cabgolin 0.5 Tablet 4 contains cabergoline as an active ingredient. This medication is a dopamine agonist, which is a type of drug. Dopamine is produced naturally in the body and aids in the transmission of signals to the brain, thereby treating hyperprolactinemia (high levels of prolactin, a natural substance that allows breast development and milk production in women).Disclaimer:For More Information Contact Your Physician