Cold sores are not caused by common cold as most of us think. They are caused by Herpes Simplex Virus Type 1 or simply HSV-1, which is passed on through contact with infected skin or body fluid. A cold sores caused by skin damage as the virus multiplies within the cells it has infected on the lip.
It starts with a warning of red, irritated skin and itchy, painful blisters which form, break down and crust over before, healing. This lasts about a week. then after the first infection, the virus enters a nerve cell and travels up until it comes to a collection of nerve cells where it resides quietly in a dormant stage until it's reactivated. It then starts to multiply again and travels down the nerve to skin and causes the cold sores.
The factors that reactivate the virus include stress, sunlight, fever, hence the name 'fever blister' and hormonal changes like those that occur around your periods.
Cold sores are most contagious when the blisters are present and just after they break until the skin is completely healed and looks normal again. Some people transmit the virus through saliva even if they never get cold sores. The virus is also present on an infected person's lip, even if there is no obvious sore. This explains why many of us are infected through kisses from relatives or lovers.
Also, because HSV-1 can live in saliva, http://innaz2.blogspot.com /2011/09/personal-care-items-why-you-should.html" rel="dofollow" style="color: #0b5394;" target="_blank">sharing personal items such as utensils or drinking glasses can also cause infection. Oral intercourse can also cause HSV-1 infection on a partners privates. Although not common, cold sores can occur on the neck, chin or nose and reappear in the same area each time for most people.
Cold Sore Relief: Even more rare is the spread of the cold sore virus to other parts of the body. This happens by touching a cold sore then touching an area of broken skin. A cold sore on the finger is called herpetic whitlow and that on the eye is called ocular herpes. It can cause blindness thus prompt treatment is needed to prevent eye damage.
If you have severe or frequent cold sore outbreaks, see your doctor. There is no cure for cold sores but there are some over-the-counter creams, tablets and gels that can relieve the burning and pain.
Some people get relief from hot or cold compresses. Certain anti-viral creams and tablets can help shorten the duration of symptoms when used at the first sign of outbreak. You cannot prevent cold sores entirely, but reducing the triggers can help. Therefore, here are ways to prevent cold sores outbreak:
Dr. Lucy Wachuka
It starts with a warning of red, irritated skin and itchy, painful blisters which form, break down and crust over before, healing. This lasts about a week. then after the first infection, the virus enters a nerve cell and travels up until it comes to a collection of nerve cells where it resides quietly in a dormant stage until it's reactivated. It then starts to multiply again and travels down the nerve to skin and causes the cold sores.
The factors that reactivate the virus include stress, sunlight, fever, hence the name 'fever blister' and hormonal changes like those that occur around your periods.
Cold sores are most contagious when the blisters are present and just after they break until the skin is completely healed and looks normal again. Some people transmit the virus through saliva even if they never get cold sores. The virus is also present on an infected person's lip, even if there is no obvious sore. This explains why many of us are infected through kisses from relatives or lovers.
Also, because HSV-1 can live in saliva, http://innaz2.blogspot.com /2011/09/personal-care-items-why-you-should.html" rel="dofollow" style="color: #0b5394;" target="_blank">sharing personal items such as utensils or drinking glasses can also cause infection. Oral intercourse can also cause HSV-1 infection on a partners privates. Although not common, cold sores can occur on the neck, chin or nose and reappear in the same area each time for most people.
Cold Sore Relief: Even more rare is the spread of the cold sore virus to other parts of the body. This happens by touching a cold sore then touching an area of broken skin. A cold sore on the finger is called herpetic whitlow and that on the eye is called ocular herpes. It can cause blindness thus prompt treatment is needed to prevent eye damage.
If you have severe or frequent cold sore outbreaks, see your doctor. There is no cure for cold sores but there are some over-the-counter creams, tablets and gels that can relieve the burning and pain.
Some people get relief from hot or cold compresses. Certain anti-viral creams and tablets can help shorten the duration of symptoms when used at the first sign of outbreak. You cannot prevent cold sores entirely, but reducing the triggers can help. Therefore, here are ways to prevent cold sores outbreak:
- Learn and practise stress management strategies that work for you.
- Stay out of the sun or use sunscreen and UV-blocking lip balm.
- Keep your immune system healthy by getting plenty of sleep and daily exercise.
- Use caution while a sore is present: No kissing, sharing of toothbrushes, tableware or glasses.
- Prevent self-spread by washing your hands and not touching the cold sore.
Dr. Lucy Wachuka About the Guest Author:
Lucy Wachuka is a registered clinical officer (Reg. number 2126). She is an ENT specialist and she enjoys what she does. You can keep in touch with her via Email
Lucy Wachuka is a registered clinical officer (Reg. number 2126). She is an ENT specialist and she enjoys what she does. You can keep in touch with her via Email
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