Fever Blisters - Understanding Oral Herpes

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What causes fever blisters?

Fever blisters result from infection with a herpes simplex virus. Antiviral medications may help manage them. Cold sores usually cause pain, a burning sensation, or itching before they burst and crust over. People sometimes call them fever blisters. The most common cause of cold sores is the herpes simplex virus type 1 (HSV-1).

What are cold sores (fever blisters)?

Learn how to effectively treat and prevent the growth and development of cold sores (fever blisters), a viral infection commonly caused by person-to-person via intimate contact when a person carries the herpes simplex virus type 1 (HSV-1) or HSV type 2 (HSV-2).

How long do fever blisters last?

Usually, fever blisters aren’t serious and heal within 2 weeks. While rare, severe complications can occur in children and people with low immunity due to conditions such as HIV, eczema, and cancer. Without treatment, fever blisters can last up to four weeks. But, you don’t need prescription medication to treat fever blisters.

What Is Fever Blisters

1. https://www.mayoclinic.org/diseases-conditions/cold-sore/symptoms-causes/syc-20371017
2. https://www.medicalnewstoday.com/articles/172389
3. https://www.healthdirect.gov.au/cold-sores
4. https://www.healthline.com/health/skin-disorders/cold-sore-stages
5. https://www.webmd.com/skin-problems-and-treatments/understanding-cold-sores-basics
6. https://www.verywellhealth.com/cold-sores-identification-treatment-prevention-7486669
7. https://www.nidcr.nih.gov/health-info/fever-blisters-canker-sores
8. https://my.clevelandclinic.org/health/diseases/21136-cold-sores

Fever Blisters Information

1. https://www.betterhealth.vic.gov.au/health/conditionsandtreatments/cold-sores
2. https://en.wikipedia.org/wiki/Cold_sore
3. https://www.hopkinsmedicine.org/health/conditions-and-diseases/cold-sores