RETROVIR vs REYATAZ

Independent side-by-side comparison.

Rated against independent regulatory sources·Last updated August 22, 2026·How we rate

Possible drug interaction. RETROVIR and REYATAZ 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	RETROVIR	REYATAZ
Rating	New	72/100
Pharmacy pays	~$8.73 /30	~$52.63 /30
Type	RX	RX
Active ingredient	ZIDOVUDINE	ATAZANAVIR SULFATE
Manufacturer	Viiv Hlthcare	Bristol Myers Squibb
Dosage forms	Capsule, Injectable, Solution	Capsule, Powder
Drug class	—	Protease Inhibitor
Boxed warning	Boxed warning	None
Treats	Acquired Immunodeficiency Syndrome	Acquired Immunodeficiency Syndrome

retrovir reyataz

Rating

New

72/100

Pharmacy pays

~$8.73 /30

~$52.63 /30

Type

Active ingredient

ZIDOVUDINE

ATAZANAVIR SULFATE

Manufacturer

Viiv Hlthcare

Bristol Myers Squibb

Dosage forms

Capsule, Injectable, Solution

Capsule, Powder

Drug class

—

Protease Inhibitor

Boxed warning

None

Treats

Acquired Immunodeficiency Syndrome

Frequently asked questions

Which is cheaper, Retrovir or Reyataz?

Retrovir costs pharmacies less to acquire — about $8.73 vs $52.63 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 Retrovir and Reyataz?

Retrovir contains Zidovudine, while Reyataz contains Atazanavir Sulfate — 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.