Zilactin-L Cold Sore Liquid
Zilactin-L Cold Sore Liquid is a topical medication designed to provide temporary relief from the pain and discomfort associated with cold sores (fever blisters). It contains benzocaine, a local anesthetic that works by numbing the affected area to reduce pain and itching. This product is intended for use by adults and children experiencing painful cold sore symptoms.
Zilactin-L Cold Sore Liquid is a topical anesthetic that temporarily relieves pain and itching from cold sores and fever blisters.
Key facts at a glance
- RxNorm
- 849753
- Generic
- Zilactin-L Cold Sore Liquid
- 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.
Temporarily relieves pain, itching, and discomfort associated with cold sores (herpes labialis), fever blisters, and lip sores caused by the herpes simplex virus.
Contains benzocaine, a topical local anesthetic that works by blocking nerve signals in the affected area, providing temporary numbing relief to sore lips.
For external use only on lips and around the mouth. Avoid contact with eyes. Do not use on deep wounds, animal bites, or serious burns. Discontinue use and consult a doctor if symptoms persist beyond 7 days, worsen, or if rash or irritation develops. Keep out of reach of children. Store at room temperature.
Official drug label
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This information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.
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 August 27, 2026. · Read our editorial policy