VITRAVENE PRESERVATIVE FREE vs ZIRGAN

Independent side-by-side comparison.

Rated against independent regulatory sources·Last updated August 20, 2026·How we rate

Possible drug interaction. VITRAVENE PRESERVATIVE FREE and ZIRGAN 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	VITRAVENE PRESERVATIVE FREE	ZIRGAN
Rating	70/100	New
Pharmacy pays	—	—
Type	RX	RX
Active ingredient	FOMIVIRSEN SODIUM	GANCICLOVIR
Manufacturer	Novartis	Bausch and Lomb
Dosage forms	Injectable	Topical
Drug class	—	Cytomegalovirus Nucleoside Analog Dna Polymerase Inhibitor
Boxed warning	None	None
Treats	Cytomegalovirus Retinitis	Aids-Related Opportunistic Infections, Cytomegalovirus Retinitis

vitravene preservative free zirgan

Rating

70/100

New

Pharmacy pays

—

Type

Active ingredient

FOMIVIRSEN SODIUM

GANCICLOVIR

Manufacturer

Novartis

Bausch and Lomb

Dosage forms

Injectable

Topical

Drug class

—

Cytomegalovirus Nucleoside Analog Dna Polymerase Inhibitor

Boxed warning

None

Treats

Cytomegalovirus Retinitis

Aids-Related Opportunistic Infections, Cytomegalovirus Retinitis

Frequently asked questions

What is the difference between Vitravene Preservative Free and Zirgan?

Vitravene Preservative Free contains Fomivirsen Sodium, while Zirgan contains Ganciclovir — 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.