Usual Adult Dose for Hypertension:
Initial dose: 1 mg orally 2 or 3 times a dayMaintenance dose: 1 to 20 mg orally per day in divided dosesComments:-Titrate slowly as determined by blood pressure response.-Therapeutic dosages usually range from 6 to 15 mg per day in divided doses.-Total daily doses greater than 20 mg usually do not increase efficacy, but some patients may benefit from daily doses up to 40 mg per day in divided doses.
 Detailed Prazosin dosage information
