What Is a Fever Blister?
6. Fever Blister Complications
The majority of the time, the symptoms will clear up without doing any real harm to the patient. However, complications can occur and they will sometimes be dangerous. In some patients, the infection can spread to the genitals, or to the fingers in a condition known as herpes whitlow.
Fever blisters also have a chance of causing eczema herpeticum in some people. This happens in people who also have eczema, and it is a rash that covers a large area of the body and can be painful. The patient may also suffer from a potentially blinding eye infection known as HSV keratitis. Encephalitis, and meningitis are also possibilities.
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