Home Remedies For Fever Blisters

Home Remedies For Fever Blisters

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  1. What is a fever blister?

    Fever blisters, also known as cold sores, are little red blisters that form on the lips and on the outer corners of the mouth. The most common cause of fever blisters is the herpes simplex virus 1. Fever blisters can occur after a mild illness, like a cold, or the flu. They can also be brought on by certain foods in the diet like, peanuts, whole wheat oatmeal and chocolate products.

    Remedies for Fever Blisters

    Aloe Vera

    Aloe Vera is a very popular herbal plant that is used for a number of medicinal reasons.  It comes from the southern half of the Arabian Peninsula.  Apply the juice from an Aloe Vera leaf to the fever blister and the surrounding area. Aloe Vera will leave the site feeling cool and smooth. The fever blister should start to resolve immediately after the initial or the second application.

    St. John’s Wort Herbal Essential Oil

    St John’s Wort is a commonly used herbal remedy that helps to relieve pain, neuralgia, inflammation and other general health conditions. Use a couple of drops of St John’s Wort essential oil directly on the blister. The pain will subside and the appearance of the fever blister will start to minimize within 1 or 2 days.

    Table Salt

    Prepare damp table salt and apply a small amount from the tip of an index finger pressing it into the blister, which will cause it to dry out. Initially, there will be pain right after the salt is applied, but it quickly goes away.  Repeat this process for 2 to 3 days and it should completely destroy the fever blister.

    Tea Bag

    Tea contains tannic acid, which is said to be effective in resolving some types of viral infections including fever blisters. Place a warm tea bag on the site of the blister for 5 to 10 minutes every hour for 2 days.  


    Camphor is a natural aromatic tree compound that is often used to relief itching and inflammation on the surface of the skin. Take a cotton ball, pour camphor on it and apply it to the fever blister, it will aid in stopping the infection and help to clear up the blister in a short period of time, usually in 1 day.    

    Mint Extract

    Mint Extract is oil taken from a mint leaf and used a mouth fresheners, to clean and soothed fever blisters and it has other medicinal purposes. Mint Extract will help fever blister to heal at a faster than normal rate, within 1 to 2 days.


    Make a paste application from cornstarch. Apply the cornstarch paste to the fever blister.  Cornstarch will dry out the blister and resolve it in 2 days.


    Yogurt has a high level of Lysine. Lysine is known to actively fight against the herpes virus, thus making non-gelatin yogurt, an effective remedy for fever blisters.  Results can be expected in 1 to 2 days.


    Ice is commonly used to freeze the fever blister and stop the infection. It also works to prevent the blister from getting any larger. The ice should be applied every 10 to 15 minutes for 1 to 2 hours.

    Fever blisters are very common and usually take about 14 days to resolve, although the symptoms may no longer be apparent.  The use of home remedies works quickly for a simple fever blister, within a few days.  A fever blister that is still active after 14 days needs to be examined by a healthcare professional to make sure that there is no other underlying condition. 

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