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How to Get the Swelling Down From a Fever Blister

by
author image Heather Gloria
Heather Gloria began writing professionally in 1990. Her work has appeared in several professional and peer-reviewed publications including "Nutrition in Clinical Practice." Gloria earned both a Bachelor of Science in food science and human nutrition from the University of Illinois. She also maintains the "registered dietitian" credential and her professional interests include therapeutic nutrition, preventive medicine and women's health.
How to Get the Swelling Down From a Fever Blister
Fever blisters can produce unsightly swelling on the lips or other locations on the face. Photo Credit Rekha Garton/DigitalVision/Getty Images

Swelling is a prominent feature of all fever blisters. In the June 9, 2008 edition of “Archives of Internal Medicine,” Northeastern Ohio University dermatologist Dr. Christina Cernik explains that mild swelling precedes the appearance of a fever blister. The appearance of a fully developed fever blister is sometimes compared to a “dew drop on a rose petal,” Cernik says, because the blister--or dew drop--sits on a bed of red raised skin, or petals. Swelling of the surrounding skin persists even when the blister itself ruptures. Regardless of the stage of the infection, you can do a few things to get the swelling down from a fever blister.

See Your Doctor

Step 1

Make an appointment with your doctor as soon as you suspect you are developing a fever blister. Let the receptionist know you need an appointment right away because, according to Cernik, antiviral medications are most effective when they are started immediately after symptoms appear. Be sure to have your personal calendar and a pen handy when you call, so you can make a note of the date and time.

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Step 2

Prepare a list of all of the names and doses of all of the medications that you currently take. Be sure to include any over-the-counter medications you use regularly, as well as dietary supplements such as vitamins or herbal preparations. Also note any cleansers, creams or cosmetics you normally use as part of your regular skin care regimen.

Step 3

Arrive at the appointment at least 10 minutes early. Bring the list you prepared in Step 2, evidence of insurance coverage, a form of identification and a method of payment.

Step 4

Talk to your doctor about your symptoms. Ask if antiviral drugs are right for you. Also ask if it's safe to continue your current skin care regimen during the outbreak.

Step 5

Fill your prescription immediately, if you receive one. Ask your pharmacist how to use the medication if you have not used it in the past.

Ice the Affected Area

Step 1

Fill the plastic bag with ice and cold water and seal it.

Step 2

Cover the bag with a few layers of paper towels.

Step 3

Apply the bag gently to the fever blister. Hold it upright to prevent leaking. Limit each session to 20 minutes or when you lose sensation in the surrounding skin.

Step 4

Remove the bag. Allow the skin to reach room temperature.

Step 5

Repeat, if desired. Always discard the paper towel when you are done.

Apply Astringent

Step 1

Wash the skin surrounding the fever blister with mild cleanser and warm water. Wash the fever blister itself by gently irrigating with cleanser and water. Direct touching or rubbing can increase the irritation and swelling.

Step 2

Pat dry gently with a paper towel. Discard the towel.

Step 3

Apply a small amount of astringent solution to a clean cotton swab.

Step 4

Apply the swab to the swollen skin, covering all affected surfaces. Discard the swab.

Step 5

Repeat up to three times per day, or as directed by the astringent package instructions.

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