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Cold Sores On Lips Causes
What causes cold sores on your lips?
I know they are a herpes strain, but what causes them to come out? Is it stress, vitamin deficiency, or what?
I get one then it heals and another one pops up at a different spot on my lip. I just want to know what is causing them all to come out now.
Thanks! 10 pts for best answer!
Stress is a big trigger for outbreaks, definitely.
There are some dietary things that can tip the scales toward outbreaks, too... foods high in the amino acid ARGININE, especially.
Increasing your intake of LYSINE-rich foods to tip the arginine/lysine balance will help to control outbreaks. Here's a link with some really good info: http://www.suite101.com/article.cfm/living_with_herpes/41149
What are Cold Sores
Cold sores are small, painful, fluid-filled blisters or sores that appear on the lips, mouth, or nose that are caused by a virus. The sores can be painful and usually last a few days. Unlike most viral infections, the cold sore virus is not completely eliminated by the body defenses. For this reason, cold sores often recur.
The virus that causes cold sores is known as the herpes simplex virus (HSV). There are two types of HSV, type I and type II. Cold sores are usually caused by type I. Herpes simplex infections are contagious. The virus is spread from person to person by kissing or other close contact with sores or even from contact with apparently normal skin that is shedding the virus. Infected saliva is also a means of transmitting the virus. People are most contagious when they have active blister-like sores. Once the blisters have dried and crusted over (within a few days), the risk of contagion is significantly lessened. However, a person infected with HSV can pass it on to another person even when a cold sore is not present. This is because the virus is sometimes shed in saliva even when sores are not present. Despite popular myth, it is almost impossible to catch herpes (cold sores) from contaminated surfaces, towels, or washcloths.
After the first infection, the virus enters the nerve cells and travels up the nerve until it comes to a place called a ganglion. There, it lays quietly in a stage that is called a "dormant" or "latent" period. At times, the virus can start multiplying again and travel down the nerve to the skin, causing new cold sores. The exact way this happens is not clear, but it is known that some conditions seem to be associated with recurrences, including?
fever, colds, or the flu (this is why some people call them "fever blisters"),
ultraviolet radiation (exposure to the sun),
stress,
changes in the immune system,
hormonal changes, such as menstruation, and
trauma to the skin.
Sometimes there is no apparent cause of the recurrence.
Colds sores have a tendency to recur in more or less the same place. Such recurrences may happen often (for example, once a month) or only occasionally (for example, once or twice a year).
Some patients have a "prodrome", which is when certain symptoms occur before the actual sores appear. The prodrome to herpes infections typically involves a burning or tingling sensation that precedes the appearance of blisters by a few hours or a day or two. As the cold sore forms, the area may become reddened and develop small fluid-filled blisters. Several of these small blisters may even come together and form one large blister. Cold sores are mildly painful.
When cold sores recur, the blisters dry up rapidly and leave scabs that last anywhere from a day to several days, depending on the severity of the infection.
Cold Sores no more http://www.purehealing-us.com
Resource: http://www.emedicinehealth.com/cold_sores/article_em.htm
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