Medication	Dosage	Cost per month (generic)*	Comments
Alpha blockers
Doxazosin (Cardura)	Start at 1 mg daily; maximum 8 mg daily	$45 (26 to 28)	Risk of orthostatic hypotension
Prazosin (Minipress)	Start at 1 mg twice daily; maximum 5 mg three times daily	39 (18 to 24)
Terazosin (Hytrin)	Start with 1 mg taken at bedtime; maximum 20 mg taken at bedtime	68 (18 to 20)
Selective alpha blockers
Alfuzosin (Uroxatral)	10 mg daily	77 (—)	No effect on resting blood pressure; risk of orthostatic hypotension
Tamsulosin (Flomax)	0.4 mg daily	77 (—)
5-alpha reductase inhibitors
Dutasteride (Avodart)	0.5 mg daily	96 (—)	Six months of treatment is needed to achieve
Finasteride (Proscar)	5 mg daily	100 (94)	symptom relief