HALOPERIDOL treats
schizophrenia. It works by balancing the level of dopamine in your brain, a substance that helps regulate mood, behavior, and thoughts. It belongs to a group of medications called antipsychotics. Antipsychotic medications can be used to treat several kinds of mental health conditions. Get Haloperidol Decanoate for as low as $17.66, which is 71% off the average retail price of $60.40 for the most common version, by using a GoodRx coupon.