ATAZANAVIR SULFATE vs DARUNAVIR

Independent side-by-side comparison.

Rated against independent regulatory sources·Last updated August 23, 2026·How we rate

Possible drug interaction. ATAZANAVIR SULFATE and DARUNAVIR 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	ATAZANAVIR SULFATE	DARUNAVIR
Rating	70/100	70/100
Pharmacy pays	~$51.44 /30	~$50.01 /30
Type	RX	RX
Active ingredient	ATAZANAVIR SULFATE	DARUNAVIR
Manufacturer	Amneal	Cipla
Dosage forms	Capsule	Tablet
Drug class	Protease Inhibitor	Protease Inhibitor
Boxed warning	None	None
Treats	Acquired Immunodeficiency Syndrome	Acquired Immunodeficiency Syndrome, Hiv Infections

atazanavir sulfate darunavir

Rating

70/100

Pharmacy pays

~$51.44 /30

~$50.01 /30

Type

Active ingredient

ATAZANAVIR SULFATE

DARUNAVIR

Manufacturer

Amneal

Cipla

Dosage forms

Capsule

Tablet

Drug class

Protease Inhibitor

Boxed warning

None

Treats

Acquired Immunodeficiency Syndrome

Acquired Immunodeficiency Syndrome, Hiv Infections

Frequently asked questions

Which is better-rated, Atazanavir Sulfate or Darunavir?

Atazanavir Sulfate and Darunavir are tied at 3.5 out of 5 by our independent rating.

Which is cheaper, Atazanavir Sulfate or Darunavir?

Darunavir costs pharmacies less to acquire — about $50.01 vs $51.44 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 Atazanavir Sulfate and Darunavir?

Atazanavir Sulfate contains Atazanavir Sulfate, while Darunavir contains Darunavir — 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.