What causes fever blisters?
A fever blister located on the lips, mouth, and face is usually caused by the highly contagious herpes simplex type 1 virus. Only a small number are caused by herpes simplex type 2, the type usually associated with genital lesions.
There is no cure for a fever blister. However, there are medications that will relieve the pain and itchiness, and speed the healing of the blister.
See: Herpes labialis (oral herpes simplex)
Article updated and reviewed by David Aronoff, M.D., Assistant Professor, Division of Infectious Diseases, University of Michigan Medical School on May 9, 2005. herpes simplex virus (HSV) and is one of the most common sexually transmitted diseases (STDs). There are two types of HSV, HSV-1 and HSV-2. HSV-1 is usually responsible for cold sores ( fever blisters) of the lips and mouth. HSV-2 is the one that most commonly causes genital herpes . The infection causes painful, ulcerative sores on the genitals in both men and women. However, HSV-1 can cause genital herpes, and HSV-2 can cause cold sores. Genital herpes is common. In the United States, one out of five of the total adolescent and adult population is infected with HSV. Herpes is spread by direct contact with an infected person. For example, if you have genital herpes and have sexual intercourse, you can give your partner genital herpes. If you have oral herpes , you can give your partner oral herpes while kissing, and you can also give i...
How did I get herpes? Did my partner cheat? Or did I have it before the relationship? How long can herpes stay dormant? These are some of the questions that people newly diagnosed with genital herpes ask. Here's what we know about how this infection occurs. The first outbreak usually occurs within 2-10 days of exposure to the virus. This outbreak may be a sore or lesion in or around the vagina or on the cervix in women or on the penis and scrotum of men. Men or women can get lesions within the urinary tract, around or inside the anus, on the buttocks, thighs or other parts of the body. Usually the lesions start as reddened bumps which evolve over hours or days into blisters/open sores which crust over, dry up and heal. Sometimes a second crop of lesions occur. The initial infection may be severe and have more generalized symptoms such as fever, headache and muscle aches. However, these lesions are not the only symptom of an initial outbreak. Symptom...
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