DUTASTERIDE vs PROSCAR

Independent side-by-side comparison.

Rated against independent regulatory sources·Last updated August 16, 2026·How we rate

Possible drug interaction. DUTASTERIDE and PROSCAR are different prescription medicines. Combining or switching between them can cause interactions — talk to a pharmacist or prescriber before making changes. This page is not medical advice.

Attribute	DUTASTERIDE	PROSCAR
Rating	70/100	70/100
Pharmacy pays	~$5.15 /30	~$2.07 /30
Type	RX	RX
Active ingredient	DUTASTERIDE	FINASTERIDE
Manufacturer	Heritage Pharma	Organon
Dosage forms	Capsule	Tablet
Drug class	5-Alpha Reductase Inhibitor	5-Alpha Reductase Inhibitor
Boxed warning	None	None
Half-life	—	about 5 to 6 hours in men aged 18 to 60 (mean terminal half-life; after IV dosing the label reports a mean of 4.5 hours, range 3.3 to 13.4 hours)
Treats	Prostatic Hyperplasia	Alopecia, Hirsutism, Prostatic Hyperplasia

dutasteride proscar

Rating

70/100

Pharmacy pays

~$5.15 /30

~$2.07 /30

Type

Active ingredient

DUTASTERIDE

FINASTERIDE

Manufacturer

Heritage Pharma

Organon

Dosage forms

Capsule

Tablet

Drug class

5-Alpha Reductase Inhibitor

Boxed warning

None

Half-life

—

about 5 to 6 hours in men aged 18 to 60 (mean terminal half-life; after IV dosing the label reports a mean of 4.5 hours, range 3.3 to 13.4 hours)

Treats

Prostatic Hyperplasia

Alopecia, Hirsutism, Prostatic Hyperplasia

Frequently asked questions

Which is better-rated, Dutasteride or Proscar?

Dutasteride and Proscar are tied at 3.5 out of 5 by our independent rating.

Which is cheaper, Dutasteride or Proscar?

Proscar costs pharmacies less to acquire — about $2.07 vs $5.15 for a 30-count supply, per the CMS NADAC survey. That gap is in the pharmacy's cost of goods, not necessarily in what you pay: your price is set afterwards by your insurer and the pharmacy.

What is the difference between Dutasteride and Proscar?

Dutasteride contains Dutasteride, while Proscar contains Finasteride — they have different active ingredients.

Ratings are based on FDA regulatory (recall-safety) data. This comparison is for general reference only — not medical advice. Always consult a licensed professional before choosing or switching a medication.