Drug	Usual daily maintenance dosage	Dopamine D2 neuroreceptor potency
Chlorpromazine	400 mg	Low
Thioridazine	200 to 300 mg	Low
Perphenazine	24 mg	Medium
Fluphenazine	10 to 20 mg	High
Haloperidol (formerly Haldol)	10 to 15 mg	High
Thiothixene (Navane)	30 mg	High
Trifluoperazine	20 mg	High