They are also known as first generation antipsychotic drugs and are mostly used for the treatment of agitation, acute mania and a few other diseases. The drug is classified into 3 classes of low, medium and high potency. They can cause extra pyramidal motor control illness in people which is there even after you stop taking the drug. The symptoms consist of body tremors and rigidity. Moreover, side effects include dry mouth, weight gain, stiffness and muscle cramping. Another major side effect is Neuroleptic syndrome symptoms which include an altered mental frame and high fever.
It is drug approved by FDA for use to treat depression, bipolar and acute mania. It is less likely to result in extra pyramidal motor control in the patient. Nevertheless, it might also cause weight gain, dry mouth, muscle cramping and stiffness.