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Definition of Labial herpes
Labial herpes-
A small sore situated on the face or in the mouth that
causes pain, burning, or itching before bursting and crusting over. The favorite
locations are on the lips (the labia), chin or cheeks and in the nostrils. Less
frequented sites are the gums or roof of the mouth (the palate).
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Labial herpes is also called fever blisters or cold sores. It is caused by herpes
simplex virus type 1. The virus lies latent (dormant) in the body and is reawakened
(reactivated) by factors such as stress, sunburn, or fever from a wide range of
infectious diseases including colds. Recurrences are less common after age 35. Sunscreen
(SPF 15 or more) on the lips prevents recurrences of herpes from sunburn.
The virus is highly contagious when fever blisters are present. It is spread
by kissing. Children become infected by contact with someone who has a fever blister
and then they spread the virus by rubbing their cold sore and touching other children.
A person with fever blisters should be careful not to touch the blisters and spread
the virus to new sites, such as the eyes or genitals.
There is no cure for fever blisters. Medications that can relieve some of the
pain and discomfort include ointments that numb the blisters, antibiotics that control
secondary bacterial infections, and ointments that soften the crests of the sores.
Acyclovir, an antiviral drug, prevents the herpes simplex virus from multiplying
and, in pill form, has been reported to reduce the symptoms and frequency of recurrence.
Fever blisters have plagued people for thousands of years. In ancient Rome, an
epidemic of fever blisters prompted Emperor Tiberius to ban kissing in public ceremonies.
Today, fever blisters still occur in epidemic proportions. About 100 million episodes
of recurrent fever blisters occur yearly in the US alone.
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