Acyclovir
Avaclyr is a brand-name antiviral ophthalmic ointment containing acyclovir 3%. It is specifically formulated for topical eye treatment and works by inhibiting viral replication of herpes simplex virus in corneal tissue.
Avaclyr is a prescription antiviral eye ointment used to treat herpes simplex keratitis (eye infections).
Key facts at a glance
- RxNorm
- 2734138
- Generic
- Avaclyr
- Class
- brand-name
- Brands
- —
- Availability
- rx
- Lactation
- unknown
- Routes
- —
- Forms
- —
- Regions
- US, EU, CN, JP
- Monitoring
- —
This page is for informational purposes only.
Do not use this information to diagnose yourself or to replace a physician's advice. Always consult a qualified healthcare provider before starting, stopping, or changing any medication. If you believe you are experiencing a medical emergency, call your local emergency number immediately.
Treatment of herpes simplex keratitis ( dendritic ulcers) - a viral eye infection caused by herpes simplex virus that affects the cornea.
As an antiviral agent, acyclovir inhibits viral DNA replication by targeting herpes simplex virus thymidine kinase and subsequently blocking viral DNA polymerase, preventing the virus from multiplying in corneal cells.
For ophthalmic use only; transient mild stinging or burning upon application is common; contact lenses should not be worn during treatment; typically applied 5 times daily for 2-3 weeks as directed by a healthcare provider. Must be stored properly and not shared with others.
Official drug label
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This content is for general informational and educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the guidance of a qualified healthcare provider with any questions you have about a medical condition, and never disregard professional medical advice or delay seeking it because of something you read here.
If you think you may have a medical emergency, call your local emergency number or go to the nearest emergency department immediately.
Medically reviewed by WellAlly Editorial Team Last reviewed September 2, 2026. · Read our editorial policy