SITAVIG vs ZOVIRAX

Independent side-by-side comparison.

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

Possible drug interaction. SITAVIG and ZOVIRAX 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	SITAVIG	ZOVIRAX
Rating	New	70/100
Pharmacy pays	~$4.83 /30	~$4.83 /30
Type	RX	RX
Active ingredient	ACYCLOVIR	ACYCLOVIR SODIUM
Manufacturer	Ligand Pharms	Glaxosmithkline
Dosage forms	Tablet	Topical
Drug class	Herpes Simplex Virus Nucleoside Analog Dna Polymerase Inhibitor	Herpes Simplex Virus Nucleoside Analog Dna Polymerase Inhibitor
Boxed warning	None	None
Half-life	about 2.5 to 3.3 hours	about 2.5 to 3.3 hours
Treats	Chickenpox, Herpes Genitalis, Herpes Labialis	Chickenpox, Herpes Genitalis, Herpes Labialis

sitavig zovirax

Rating

New

70/100

Pharmacy pays

~$4.83 /30

Type

Active ingredient

ACYCLOVIR

ACYCLOVIR SODIUM

Manufacturer

Ligand Pharms

Glaxosmithkline

Dosage forms

Tablet

Topical

Drug class

Herpes Simplex Virus Nucleoside Analog Dna Polymerase Inhibitor

Boxed warning

None

Half-life

about 2.5 to 3.3 hours

Treats

Chickenpox, Herpes Genitalis, Herpes Labialis

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Frequently asked questions

Which is cheaper, Sitavig or Zovirax?

Pharmacies pay about the same to acquire either one — roughly $4.83 for a 30-count supply, per the CMS NADAC survey. That is not what you will be charged: your price is set by your insurer and the pharmacy, not by what the drug cost them.

What is the difference between Sitavig and Zovirax?

Sitavig contains Acyclovir, while Zovirax contains Acyclovir Sodium — 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.