What is the herpes virus that causes cold sores genetic,living with herpes uk law,how to treat mouth ulcers in babies,detection of herpes simplex virus dna by realtime pcr - 2016 Feature

admin 20.09.2014

Cold sores -- also called fever blisters -- are a painful infection caused by the herpes simplex virus (HSV). Although cold sores generally are not serious, the infection may be life-threatening for anyone who has AIDS or whose immune system is depressed by other disorders or medications. The infection from a cold sore may cause blindness if it spreads to the eye, and meningitis or encephalitis if it spreads to the brain. Cold sores are usually caused by the herpes simplex virus (HSV) type 1, which is transmitted by such forms of contact as kissing an infected person or sharing eating utensils, towels, or razors.
These blisters are usually caused by HSV type 1, but can less commonly be due to HSV type 2. It leads to the development of small, painful blisters commonly called cold sores or fever blisters. Causes Herpes labialis is a common disease caused by infection of the mouth area with herpes simplex virus type 1. They may show up anywhere on your body, but are most likely to appear on the outside of your mouth and lips, your nose, cheeks, or fingers.
A person with a cold sore who performs oral sex on another person can give that person genital lesions with HSV-1. Most people in the United States are infected with this virus by age 20. The initial infection may cause no symptoms or mouth ulcers.


Blisters form, then break and ooze; a yellow crust or a scab develops and eventually sloughs off, revealing new skin underneath. After the first infection, many people develop antibodies and never have another cold sore.
Similarly, a person who performs oral sex on another person with genital HSV-2 lesions can develop oral lesions. The virus may be triggered by certain foods, stress, fever, colds, allergies, sunburn, and menstruation.
Spread may occur through intimate and personal contact, or through contact with infected razors, towels, dishes, and other shared articles. Occasionally, oral-to-genital contact may spread oral herpes to the genitals (and vice versa). Symptoms The first episode may be mild or severe.
It usually occurs in children between 1 and 5 years old. First symptoms usually appear within 1 or 2 weeks, and as long as 3 weeks, after contact with the virus. Antiviral medications taken by mouth may help the symptoms go away sooner and decrease pain.
Acyclovir, famciclovir, and valacyclovir are the three oral treatments currently available. Herpes sores often come back again and again.


The antiviral medicines work best if you take them when the virus is just starting to come back -- before you see any sores.
If the virus returns frequently, your doctor may recommend that you take the medicines all the time. Topical (rubbed onto the skin) antiviral cream (penciclovir andacyclovir) may be used, but must be applied every 2 hours while you're awake.
Applying ice or warmth to the area may reduce pain. Tips to prevent future outbreaks include applying a sunblock or lip balm containing zinc oxide to the lips when you're outdoors.
A moisturizing balm to prevent the lips from becoming too dry may also help. Outlook (Prognosis) Herpes labialis usually goes away by itself in 1 to 2 weeks.
Minimize the risk of indirect spread by thoroughly washing items such as towels in hot (preferably boiling) water before reuse. Avoid triggers (especially sun exposure) if you are prone to oral herpes. Avoid performing oral sex when you have active herpes lesions on or near your mouth and avoid receiving oral sex from someone who has oral or genital herpes lesions.




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