19 Quality Home Remedies For Fever Blisters (Cold Sores)

Fever blisters, aka cold sores, are quite common as they spread from person to person through physical contact. Fever blisters are quite unattractive and painful. They could start out as red, swollen blisters and, eventually turn into scabs.

Fever blisters are caused by the herpes simplex type 1 virus. An outbreak usually last for 2 to 3 weeks and they occur around the mouth region. These fevers could become worse when you have a weakened immune system.

As such, improving your immune system through lifestyle change, maintaining a healthy diet and taking due precautions before an outbreak, you can help keep the virus dormant and limit the frequency of blister outbreaks.

There are numerous over-the-counter drugs you can use for fever blisters. However, they may not be effective for you or may have nasty side effects.

Below are 19 natural home remedies and treatments for fever blisters;

1. Hydrogen Peroxide

Dab 3% hydrogen peroxide on the blister with cotton wool. Rinse off after 5 to 10 minutes and pat dry. Hydrogen peroxide has natural antiseptic and disinfectant properties that prevent microbial infection of the blister. Also, hydrogen peroxide keeps the affected area clean and dry making it difficult for the virus to thrive.

2. Licorice

Apply a paste of licorice root powder to the affected part with a cotton ball. Glycyrrhizin, in licorice, has antiviral and anti-inflammatory properties that help inhibit the herpes virus and reduce the accompanying swelling and redness. this makes licorice an effective remedy for fever blisters.

3. Tea Tree Oil

Dilute tea tree oil with water. Apply this diluted tea tree oil, with a cotton ball, to the affected area of the mouth. Alternatively, you could mix tea tree oil with olive oil and apply to affected part of the mouth. Tea tree oil has antiviral properties that make it a good remedy for fever blisters. (https://academic.oup.com/jac/article/48/3/450/736091/Melaleuca-alternifolia-tea-tree-oil-gel-6-for-the)

4. Whole Milk

Soak cotton wool in cold whole milk and apply to affected area. Whole milk contains immunoglobulins and calcium which are effective for inhibiting the virus that causes fever blisters. Furthermore, monocaprin, found in whole milk, has antiviral properties that inhibit the virus as well as quicken the healing process.

5. Oregano Oil

Apply a mixture oregano oil and a carrier oil (preferably olive oil and sandalwood oil) to the affected area with the aid of cotton ball. Oregano oil has antiviral, healing and immune-boosting properties that make it difficult for the blister to spread and also difficult for the virus to infect a person.

6. Witch Hazel Oil

Apply witch hazel oil to the affected area with the use of a cotton ball. Witch hazel has antioxidant, anti-inflammatory and mild analgesic properties that help reduce pain, reduce the irritation and inflammation caused by the fever blister. Witch hazel also reduces the healing time of the fever blister.

7. Tea Bags

Place warm moist tea bags (black or green tea) on the affected area for 5 to 10 minutes. Tannins, in tea, have potent antiviral and astringent properties that helps get rid of the fever blister by inhibit the herpes virus and disinfecting the affected area. Tea also has numerous micronutrients, vitamins, and minerals that quicken the healing process and provide relief from pain.

8. Toothpaste

Apply white or herbal toothpaste to the affected area for about 60 minutes. Rinse off and moisture the area thereafter. Toothpaste has active ingredients such as hydrogen peroxide, baking soda, menthol and alcohol that is capable of drying out the blister. Also, sodium lauryl sulfate, found in toothpaste can help reduce the size of the blister rapidly.

9. Aloe Vera Gel

Apply fresh aloe vera gel to the affected area. Aloe vera is effective for treating fever blisters because it has natural healing, anti-inflammatory, and antibacterial properties. These help to disinfect the affected area, reduce redness and quicken the healing process. Furthermore, anthraquinone aloin, in aloe vera, has antiviral properties that inactivate herpes simplex virus. (https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2763764/)

10. Cold Compress

Place wrapped ice cubes on the affected area for 5 to 15 minutes. This cold compress would help alleviate pain as well as reduce the irritation, swelling and spreading of the blister. This remedy is more effective if it is done as soon as you feel the tingly burning sensation of an outbreak.

11. Melissa Essential Oil

Apply melissa essential oil (lemon balm) to the affected area with the aid of cotton ball. Melissa essential oil is potent in treating fever blister due to its antiviral nature. It also promotes skin health and helps limit the spread of the viral infection on the skin. A 2008 study showed how topical use of melissa essential oil inhibits the infectivity of herpes virus. (https://www.ncbi.nlm.nih.gov/pubmed/18693101)

12. Avoid Sun Exposure

Avoid sun exposure and use non-toxic sunscreens. Ultra-violet rays from the sun can trigger fever blisters. Thus, avoid exposure to sun or use non-toxic sunscreens. A 1991 study proved that exposure to the sun can trigger herpes labialis and that sunscreen may be effective in preventing this trigger. (https://www.ncbi.nlm.nih.gov/pubmed/1683420/)

13. Garlic

Apply crushed garlic paste to the affected area for 15 to 20 minutes. Rinse off thereafter. Garlic has antiviral and antibacterial properties that help inhibit the herpes virus as well as disinfect and quicken the healing process.

14. Baking Soda

Apply a paste of baking soda to the blister. Leave for 15 minutes before rinsing off. Baking soda is capable of neutralizing the acidic nature of the blister, soothing irritation and even drying out the blister.

15. Peppermint Oil

Apply peppermint oil to the affected area twice daily. Peppermint oil has antiviral properties that are capable of inhibiting both HSV-1 and HSV-2. A 2003 study tested the virucidal effect of peppermint oil on herpes simplex virus type 1 and type 2. This study found peppermint oil to be suitable for topical therapeutic use as a virucidal agent in recurrent herpes infection. (https://www.ncbi.nlm.nih.gov/pubmed/13678235)

16. Probiotic Foods

Include probiotic foods to your diet like apple cider vinegar, kimchi, kefir, sauerkraut, and yogurt. These foods help in body detoxification and also help to boost the immune system which, in turn, would suppress a fever blister outbreak. (https://www.ncbi.nlm.nih.gov/pubmed/24499072)

17. Echinacea Tea

Apply echinacea tea, with a cotton ball, to the affected area. Alternatively, you could drink echinacea tea twice daily. Echinacea helps boost the immune system which, in turn, inhibits a fever blister outbreak. Echinacea also has analgesic and anti-inflammatory properties that help reduce swelling and redness of the fever blister. (https://www.ncbi.nlm.nih.gov/pubmed/12622467)

18. Lysine

Mix one raw egg, a little yogurt and a tablespoon of honey together to make a thick paste. Apply this paste to the affected part. Leave for 30 to 45 minutes before rinsing off. Lysine, in yogurt, has potent antiviral properties that inhibit the herpes virus and also helps in keeping the virus dormant. You could also include yogurt in your diets to enjoy the health benefits of lysine.

19. Vitamin E

Break open a vitamin E capsule and apply vitamin E oil to the blister with the aid of cotton wool. Vitamin E has antioxidant and anti-inflammatory properties that repair the damaged skin, reduce swelling/inflammation, help soothe the skin and may provide relief from pain and discomfort.


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