Zilactin relieves pain caused by cold sores and fever blisters. Apply to affected area up to four times a day.

Zilactin Overview

Reviewed: May 14, 2015

Zilactin is an over the counter medication used to treat pain from cold sores and fever blisters in adults and children 12 years of age and older. Zilactin belongs to a group of drugs called oral pain relievers. It works by forming a protective film coating over the affected area  

This medication comes in gel form and is applied topically up to four times a day. Zilactin should not be used for more than 7 days without consulting your doctor or dentist. 

Common side effects of Zilactin include swelling and rash. 


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