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Ganciclovir

Also known as: Virgan

Drug class: Antiviral

Wash your hands thoroughly before and after applying the eye gel. Apply exactly as directed by your veterinarian, usually every 4 to 6 hours. > **Do not use this medication for more than 3 weeks.** Watch for signs of eye irritation such as increased redness, squinting, or rubbing of the eye. If this occurs, contact your veterinarian as the frequency of application may need to be reduced. **Note:** This medication helps manage the active virus but does not cure the underlying latent herpesvirus infection.

Dosage must be set by your veterinarian for your specific pet. Never give human medication or another pet’s prescription without veterinary guidance.

Veterinary professional? See the full dosing-by-species reference on VetSheet →

What it is used for

  • Ocular feline herpesvirus-1 (FHV-1) infections

How it is given

Topical

Possible side effects

  • Ocular irritation

Cautions & contraindications

  • Normal handling precautions should be observed. > Treatment should **not** be continued for more than 3 weeks. If ocular irritation develops, the frequency of application should be reduced.

Frequently asked questions

What is Ganciclovir used for in pets?

Wash your hands thoroughly before and after applying the eye gel. Apply exactly as directed by your veterinarian, usually every 4 to 6 hours. > Do not use this medication for more than 3 weeks. Watch for signs of eye irritation such as increased redness, squinting, or rubbing of the eye. If this occurs, contact your veterinarian as the frequency of application may need to be reduced. Note: This medication helps manage the active virus but does not cure the underlying latent herpesvirus infection.

Is Ganciclovir safe for my pet?

Dosage must be set by your veterinarian for your specific pet. Never give human medication or another pet’s prescription without veterinary guidance.

This article is for general education and is not a substitute for professional veterinary advice. If your pet is unwell, please consult a veterinarian.

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