I take Haldol but it primarily helps my anxiety...I know that's not it's normal purpose but that's why I originally started taking it. So as far as an anti-psychotic goes...the haldol doesn't really help with that. I asked about invega and the pdoc at my iop said she was worried about prolactin levels. Even though I'm on a pretty substantial dose of haldol and they tested my prolactin levels and they were normal. I usually don't have periods but I don't think it's related to meds, but who knows. So anyway, she prescribed Abilify. I've taken it in the past...but it was wayyy in the past. So I figured I'd give it another go.