Cold sore virus is one of the most contagious viruses in the world. It is also one of the oldest. Today, it has acquired epidemic proportions, and causes cold sores. The cold sore virus is medically known as the Herpes Simplex virus (HSV). There are two types of cold sore virus: Type 1 and Type 2. In many cases of cold sore diseases, it is Type 1 virus which is mainly responsible. Type 2 strain is the virus that causes genital herpes. It is rarer than Type 1 virus.

The cold sore virus attacks when the immune system of the body decreases, or cells of the body lose their defensive ability. The body's immune system could go down due to physical or mental stress. It is common for viruses to be present in human bodies, but the cold sore virus is entirely different. Other viruses come and go, but the cold sore virus remains dormant in the nerve cell fibers and attacks when the body's immunity weakens as stress level increases. As soon as this happens, the cold sore virus moves to the surface of the body along the nerve fibers and starts replicating.

A cold sore results in the elevation of the skin, particularly on lips, cheeks, and chin. This spot is more commonly known as cold sore vesicles or tiny hard group of blisters. In some time, all the small blisters break open and merge to form a big blister. The cold sore is highly contagiousat this stage. After a span of time, the blister turns yellowish and a crust forms over it. The healing process of the cold sore begins from here. However, it must be noted that it does not mean the cold sore is wiped out. I lies dormant in the body throughout its life the the immune system slackens, cold sore reoccurs. Remember, once inside a body, the cold sore virus it will remain in it the entire life.

Till date, medical science has found no permanent solution for cold sores. One has to allow the virus to run its course. That said, it doesn't mean that there is no remedy at all to reduce the span of a cold sore outbreak. There are pills and lotions that can be used as a preventive measure against the cold sore virus. Apart from these, there are some natural remedies that are known to reduce the total time of healing cold sores. The increase of Lysine, a protein, has proven to be effective in shortening the duration of cold sore. It replaces another protein Arginine which is crucial for the virus to be able to replicate. The cold sore virus, therefore, retreats from the surface if the cell does not have Argenine.

 
 

  HSV or Herpes Simplex Virus causes cold sores. This disease is mostly found in adults. Since it is highly contagious, it can spread even when kissed by someone who has cold sores. In children, there might be no symptoms at all the first time they get infected. They may have a fever or mouth sores that clear up in 2-3 weeks.

The virus (HSV) that causes cold sores is of two types. They are called type 1 and type 2. Both the strains of the virus cause cold sores. Type 1 is responsible for the disease in most of the cases while Type 2 is rarer, and is the strain that causes Genital Herpes.

The most common cause of cold sores is HSV-1. Many people get infected by Herpes Simplex Virus -1 in the age group of 3-5. People can become infected with HSV-1 through various ways. This may include coming in contact with an already infected person, ingestion of contaminated fluids that have been coughed or sneezed into, or coming in contact with objects which a cold sore-infected person has touched. Cold sores virus being extremely contagious, many people get infected with Type 1 very early in life. However, they may get their first cold sore only after puberty. Once infected, the HSV-1 virus will remain inside the person's body throughout his life.

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  The Type-2 virus or Herpes Simplex Virus-2 is less common than HSV-1. It mainly causes Genital Herpes. This virus generally affects the lower part of the body, or below a person's waist. In rare cases, however, it can also cause cold sores.

A number of factors can activate cold sores in a person infected with Herpes Simplex Virus-1. Fever, a bad cold, stress, skin damage and other factors that cause the weakening of the immune system can lead to cold sores. Even sunburned or chapped lips or can increase the possibility of a cold sore outbreak. Women who are menstruating or pregnant also run a greater risk of triggering cold sores.

Most of the people come to experience the Cold Sore very few times in life. Some, on the other hand, experience cold sores more regularly. There is no permanent cure or treatment for cold sores. Also, this problem is hard to control as there are so many causes that can lead to cold sores. One must remember that the cold sore virus is not only activated by physical factors, but emotional stress or being upset for prolonged periods of time can also lead to the outbreak of cold sores.

 
 

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  A cold sore is said to occur when there is a collection of fluid that causes the elevation of the skin. It separates the skin into an upper layer and a lower layer. The outbreak of blisters on the skin causes an ulcer. It is typically associated with the HSV-1 virus appearing on the lips, face and inside the mouth as small ulcerations or blisters. Cold sores are caused by HSV (Herpes Simplex Virus).

Cold sores look like fluid-filled blisters and appear on swollen areas of skin or on mucous membrane. These areas can be painful and tender. The blisters can be healed without leaving a scar, but many times they have a tendency to re-ocurr.

HSV-1can be spread by personal contact like kissing. Many people come in contact with the virus at the age of three to five, but discover it only after puberty. The virus, when active, throngs the epidermis cells, the outer layer of the skin, and causes the blisters to occur. This virus travels from roots of nerves to epidermis along nerve fibers and becomes active once it reaches the surface. It happens when the body's immune system is weak due to physical or mental stress.

Herpes Simplex Virus (HSV) is of two types. These are HSV-1 and HSV-2. The HSV-1 is very common and causes cold sores. HSV-2 is rarer, and is the cause of Genital Herpes. Both the types can infect the mucous membrane, or any part of the skin. About 80% of the world's adult population has natural immunity against HSV-1. On the other hand, approximately 25% of the adult population has immunity against the HSV-2 in their blood.

Symptoms The symptoms of the infection occur in different ways. A few people have only mild symptoms, while many don't have any. After contracting the virus, the first outbreak occurs within 1-3 weeks. And it grows rapidly within a few weeks. Everytime the HSV gets reactivated, the blisters will re-occur. The very first symptom is an unpleasant prickling feeling on the skin. Later, it turns into a fluid-filled blister. The virus affects the throat and mouth in children. This may be accompanied by general aches, fever, and pain.

How to Prevent Cold Sores

* Avoid contact with cold sores. They may appear virtually on all parts of body, including genitals and fingers.

* You need to clean your hands after touching lips.

* Do not touch the sores as there is a possibility of its spread to other body parts. It may also cause the bacterial infection on open sores.

* Exercise regularly, eat a healthy and nutritious diet, and sleep well. These help in strengthening the body's immune system.

* Exposure to sunlight can cause the reactivation of blisters. So, it is advisable to use a sunblock to prevent reactivation.