9 Fever Blister Remedies | Causes and More

9 Fever Blister Remedies | Causes and More

Basically, fever blisters generate on mouth, face, tongue, or gums, and they are red and swollen. They occur as a result of a virus, and it can spread when blisters are not visible. That virus called herpes simplex. More than 90 percent of the adult population has HSV-1 or HSV-2 virus. Sixty-five percent of the United States population has HSV. Usually, you can cure fever blister flare-up without any treatment. And also, essential oils work oppose HSV 1, and it can irritate your skin. Therefore, you should do a test on the skin. You can take one drop of essential oil per one teaspoon of carrier oil, clean cotton swab for the test. In addition to that, nine natural home remedies for fever blisters are following.


We can use ice as a temporary treatment, but there are no effects on the virus. It decreases blood flow and supports to reduce inflammation.

How to use

In a cold sore, wrap ice with cloth, keep it on cold sore 5-10 minutes but not use ice on skin directly.

Lemon balm (Melissa officinalis)

According to the 2012 study Trusted Source, this can destroy the herpes simplex virus.

How to use

You can use lemon balm several times per day. Keep diluted essential oil on a cotton ball, hold it on the sores for a few minutes.

L – lysine

Lysine is an amino acid that causes to reduce the time period of fever blisters. According to Harvard Health Publications, it can avoid amino acid that leads to developing fever blisters.

How to use:

Use it under the recommendation of the package. The research dose range is 500-3000 mg.

Zinc therapy

Zinc is a useful mineral but topical zinc cause to fever blisters. According to a 2001 study, zinc oxide and glycine decrease the time period of cold sores than a placebo cream. A recent study recognizes that zinc oxide can avoid cells coming of herpes simplex virus.

How to use:

You can use zinc oxide cream four times a day for topical treatment.

Oregano oil

Oregano oil is more important to avoid different animal and human viruses on a cellular level.

How to use:

Get a cotton ball and apply oregano oil around it. Then it applies in a related place.

Licorice extract

Licorice root is famous as a treatment for cold wounds. 2014 cell study Trusted Source identified many details related to this.

How to use:

You can use pills after making a paste with coconut or almond oil and apply on skin. You should meet your doctor before using licorice root.

Tea tree oil

According to review Trusted Source, tea tree oil is a very important antiviral treatment. It becomes a reason for speed up cure.

How to use:

Take a cotton ball and mix it with diluted tea tree oil. Apply it several times till cure in full.

Witch hazel

According to the 1996 study Trusted Source, this is very useful because it can decrease inflammation after fighting with the herpes virus.

How to use:

You can use this directly to the skin through the help of a moistened cotton ball. Apply it till completely cure.

Apple cider vinegar

Someone uses apple cider vinegar to treat fever blisters, but there’s no evidence for ACV and herpes.

How to use:

Get a cotton ball and use diluted ACV to related place, but it’s dangerous when applying it large amounts.

Risks and Warnings

Further move, these remedies not suitable for pregnant nursing situations. Especially you should pay your attention to reactions of the skin. When using an oral supplement, get advice from your doctor. The reason for fever blisters is the herpes simplex virus, and it called cold sores and oral herpes.

Triggers; Some triggers can reactivate the virus. This includes:



Physical or emotional stress

Injury or trauma

Hormone fluctuations

Dental procedures

Following people have a higher risk of fever blister outbreaks:



Severe burns


Weakened immune systems

Autoimmune disease

You should meet your doctor if you have these situations:

Blisters near your eyes

Severe pain

A severe outbreak

Frequent outbreaks



Steps that you can take when fever blister situation

  • Touching your fever blister.
  • Oral sexual activity if you have an open sore
  • acidic foods, Alcohol, smoking as they may irritate any sores
  • Reusing lip balm or other products that touch your mouth.

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