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My name is Neville Pettersson and I am the creator and main writer/editor of coldsorepedia. Read more about me here.

I’m just a regular guy, married with 2 kids. I’ve created this site to help people find good info about cold sores. You can follow me on Facebook, Twitter and Google+ and Pinterest.

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Neville Bio Frame Neville Pettersson Avatar

About Me

My name is Neville Pettersson and I am the webmaster for this site. I’ve created this site because I saw a need for some

solid basic info on cold sores as it is a largely misunderstood virus, often seen as an STD or some how disgusting. You can follow me on Facebook, Twitter and Google+ and Pinterest.

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There are
three products under the Zilactin product line produced by its manufacturer:

Zilactin Cold Sore Gel

Zilactin Cold Sore Gel is used for the treatment of cold sores and fever blisters appearing on the skin. It forms a bioadhesive coating on the affected area and dries clear. The dried area is peeled by applying more Zilactin gel over it and wiping the area with a moist tissue.

Zilactin B

Zilactin B relieves the sores present inside the mouth. The bioadhesive coating covers the affected part inside the mouth forming a barrier to prevent the medicine from spreading inside the mouth. This allows the person to eat and drink for up to 6 hours even after the application of the gel.

Zilactin L Early Relief Cold Sore Liquid

Zilactin L works by applying the on the cold sores at their early appearance in the body. The affected area is relieved by the pain caused by the cold sores and fever blisters temporarily.

The products are available at various online markets including Amazon.com & Walgreens.com

average price for 0.25 Oz Zilactin Cold Sore Gel on Amazon.com is $9.69, for 0.25 Oz Zilactin B is $10.29 and Zilactin L (5.9 ml) is currently unavailable in the market due to shortage of stock.

side effects of Zilactin include headaches, fever, nausea and worsening of pain, swelling and irritation. Although incidents are not known for the states side effects.

Continued below....


Zilactin is a medicated gel used to temporarily relieve the pain caused by cold sores, fever blisters, mouth sores, gum irritation and denture pain. It is developed and manufactured by Blairex Laboratories Inc.

Blairex Laboratories was incorporated in Columbus, USA in 1976. It continued to grow steadily till the 1990s with the acquisition and development of patent formulas ranging from saline solutions, to eye care products to sleeping aids. In October 1999, the organization acquired fifteen brands of pharmaceutical products. Blairex now deals in various health care products. The company headquarter is located in 1600 Brian Drive, Columbus, IN.

The official website to Blairex Laboratories Inc and all its products is here. It is operational since 25 September 1995. Blairex Laboratories Inc has an operational Facebook Page with 56 Likes.

Zilactin works by applying it on the affected area thoroughly. The active ingredient in Zilactic is Benzocaine, which is a local anesthetic. It numbs the affected area by blocking nerve signals in the body. This formula in the Zilactin helps relieves the pain for up to 6 hours according to the manufacturer of the gel. Zilactin is available without a prescription.


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Users’ Reviews

There are
mixed reviews on the products based on various reviews on major pharmaceutical web-markets including Amazon.com, Walgreens.com and CVS.com. Some reviews suggest that the product is highly effective and stops the cold sores on their path immediately. However, some critics reviewed Zilactin as a highly ineffective product which is not worth the money spent.


The most common pros and cons as describes in various reviews on Amazon.com are as follows:

The Pros:

The Cons:


Some of the users who bought from Walgreens.com suggest that Zilactin was the
best product for cold sores and that it works much better than other blister products. Customers appreciated that the product absorbed quickly, soothed and killed the pain and healed the affected area quickly. On the other hand, a few commented that the product smells bad and doesn't work at all. One of the customers commented that it gave them chapped lips. Other negative reviews included red mark over the cold sore and burning lips.



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