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Blister on lipsBlister on lips is also called as oral herpes lesion because it often appears right after you have a cold or fever. Before you can see a fever blister your lip will tingle in the area that the cold sore will break out in and after a few days a small fluid filled blister will appear in the same place that your lip tingled. The blister is red, raised, and painful. The blisters then break and ooze a yellow liquid that dries to a crust. The
crust eventually breaks off and exposes a red pink tissue that heals in a few days. The herpes virus causes it. The most common type of herpes virus that causes cold sores is Herpes Simplex Virus Type I. This virus can be transmitted from one person to another by skin-to-skin contact such as kissing or by sharing eating utensils. It's contagious. Herpes Simplex Type II causes genital sores but can also cause cold sores in the mouth if transferred to the lip area.
Causes
Blister on lips normally forms on lips but in some patients it can extend into the nose, cheeks or even fingers. They rarely occur in the mouth but can. If they do form in the mouth, they appear on the gums or on the roof of the mouth about the hard palate. It is different from canker sores. Canker sores like to form on soft tissue that moves without bone underneath. Canker sores are not contagious. The herpes virus lives in the nerves that go to your lips and remain inactive until something stresses you out. This stress can be cold, problems in life, the beginning of a woman's period, fever, or overexposure to the sun.
Treatment
If untreated, most oral herpes clears up in about a week. Many patients tend to play with the sores, which may cause them to remain a few days longer. It is important to wash your hands after touching a sore because you can infect someone else with your contaminated fingers. As with any other virus infections, do not give children aspirin. It is possible for children with viral infections to develop Wry's syndrome after taking aspirin. If you sunbath, use sun block on your lips in addition to the rest of your body. This avoids damage to your lips and a possible later outbreak of herpes.
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- Blister