Herpes labialis on face,medical encyclopedia britannica encyclopedia,exame herpes simplex 1 e 2 anticorpos igg - 2016 Feature

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Een koortslip of labiale herpes wordt meestal veroorzaakt door het herpes simplex virus type 1 (HSV).
Hoe behandelen?Er bestaat momenteel geen behandeling die het virus uit het lichaam kan verdrijven.
Herpes labialis, and check out Herpes labialis on Wikipedia, Youtube, Google News, Google Books, and Twitter on Digplanet. Herpes labialis, also called cold sores among other names,[2] is a type of herpes simplex occurring on the lip, i.e. Cold sore has a frequency that varies from rare episodes to 12 or more recurrences per year. In medical contexts, "labia" is a general term for "lip"; "herpes labialis" does not refer to the labia of the genitals, though the etymology is the same. Primary HSV infection in adolescents frequently manifests as severe pharyngitis with lesions developing on the cheek and gums. Inflammation (day 1): Virus begins reproducing and infecting cells at the end of the nerve. Pre-sore (day 2a€“3): This stage is defined by the appearance of tiny, hard, inflamed papules and vesicles that may itch and are painfully sensitive to touch.
Healing (day 9a€“14): New skin begins to form underneath the scab as the virus retreats into latency.
Post-scab (12a€“14 days): A reddish area may linger at the site of viral infection as the destroyed cells are regenerated. A lesion caused by herpes simplex can occur in the corner of the mouth and be mistaken for angular cheilitis of another cause.
Herpes labialis infection occurs when the herpes simplex virus comes into contact with oral mucosal tissue or abraded skin of the mouth. Cold sore outbreaks may be influenced by stress, menstruation, sunlight, sunburn, fever, dehydration, or local skin trauma. The colloquial term for this condition, "cold sore" comes from the fact that herpes labialis is often triggered by fever, for example, as may occur during an upper respiratory tract infections (i.e. People can transfer the virus from their cold sores to other areas of the body, such as the eye, skin, or fingers; this is called autoinoculation. The likelihood of the infection being spread can be reduced through behaviors such as avoiding touching an active outbreak site, washing hands frequently while the outbreak is occurring, not sharing items that come in contact with the mouth, and not coming into close contact with others (by avoiding kissing, oral sex, or contact sports). Because the onset of an infection is difficult to predict, lasts a short period of time and heals rapidly, it is difficult to conduct research on cold sores.
Docosanol, a saturated fatty alcohol, is a safe and effective topical application that has been approved by the United States Food and Drug Administration for herpes labialis in adults with properly functioning immune systems. 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. De meeste mensen worden op kleuterleeftijd besmet door dit virus via direct contact (zoenen, knuffelen) of via handen of gebruiksvoorwerpen. Please help improve this article to make it understandable to non-experts, without removing the technical details. When the viral infection affects both face and mouth, the broader term "orofacial herpes" is used to describe the condition, whereas the term "herpetic stomatitis" is used to specifically describe infection of the mouth; "stomatitis" is derived from the Greek word stoma that means "mouth".


Some individuals develop difficulty in swallowing (dysphagia) and swollen lymph nodes (lymphadenopathy).[6] Primary HSV infections in adults often results in pharyngitis similar to that observed in glandular fever (infectious mononucleosis), but gingivostomatitis is less likely.
Symptoms typically begin with tingling (itching) and reddening of the skin around the infected site. The healthy cells react to the invasion with swelling and redness displayed as symptoms of infection. In time, these fluid-filled blisters form a cluster on the lip (labial) tissue, the area between the lip and skin (vermilion border), and can occur on the nose, chin, and cheeks. This yellowish or brown crust or scab is not made of active virus but from blood serum containing useful proteins such as immunoglobulins. A series of scabs will form over the sore (called Meier Complex), each one smaller than the last. Sometimes termed "angular herpes simplex".[9] A cold sore at the corner of the mouth behaves similarly to elsewhere on the lips. Surgical procedures such as dental or neural surgery, lip tattooing, or dermabrasion are also common triggers. Eye infection, in the form of conjunctivitis or keratitis, can happen when the eyes are rubbed after touching the lesion. When a person is not experiencing any symptoms, a blood test alone does not reveal the site of infection.
A large survey of young adults on six continents reported that 33.2% of males and 28% of females had herpes labialis on two or more occasions during the year before study. Most people in the United States are infected with this virus by age 20. The initial infection may cause no symptoms or mouth ulcers. Een behandeling, zelfs wanneer gestart in een vroeg stadium, heeft slechts een beperkt voordeel.
This stage can last from a few days to a few hours preceding the physical manifestation of an infection and is the best time to start treatment.
Rather than utilizing antifungal creams, angular herpes simplex is treated in the same way as a cold sore, with topical antiviral drugs.
HSV-1 can in rare cases be transmitted to newborn babies by family members or hospital staff who have cold sores; this can cause a severe disease called neonatal herpes simplex. Finger infection (herpetic whitlow) can occur when a child with cold sores or primary HSV-1 infection sucks his fingers.
Genital herpes infections occurred with almost equal frequency as type 1 or 2 in younger adults when samples were taken from genital lesions.
The lifetime prevalence in the United States of America is estimated at 20-45% of the adult population. Onder invloed van koorts, zonlicht, koude, menstruatie, stress of vermoeidheid kan het in het lichaam aanwezige virus geactiveerd worden en kunt u een koortslip krijgen. The sores typically heal within 2a€“3 weeks, but the herpes virus remains dormant in the facial nerve branches, following orofacial infection, periodically reactivating (in symptomatic people) to create sores in the same area of the mouth or face at the site of the original infection. The sore is still painful at this stage, but, more painful, however, is the constant cracking of the scab as one moves or stretches their lips, as in smiling or eating.
In approximately one-third of people, the virus can "wake up" or reactivate to cause disease.


Herpes in the mouth is more likely to be caused by type 1, but (see above) also can be type 2. When reactivation occurs, the virus travels down the nerves to the skin where it may cause blisters (cold sores) around the lips, in the mouth or, in about 10% of cases, on the nose, chin, or cheeks. The only way to know for certain if a positive blood test for herpes is due to infection of the mouth, genitals, or elsewhere, is to sample from lesions. In Germany, the prevalence was reported at 31.7% in people aged between 35 and 44 years, and 20% in those aged 65a€“74.
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. Die kunnen de duur van de symptomen en van de pijn verminderen, maar het voordeel blijft beperkt tot een paar dagen. Antiviral medications taken by mouth may help the symptoms go away sooner and decrease pain.
Was uw handen alleszins na elk contact met een koortsblaas en voor u een baby verzorgt.a€? Knuffel nooit een baby wanneer u een koortslip hebt en wees voorzichtig in het contact met ernstig zieken.
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. Het virus dat koortsblaasjes veroorzaakt is namelijk zeer besmettelijk, en kan zich van de mond via de vingers naar andere delen van het lichaam verspreiden.
Het virus kan door orale seks verspreid worden naar de schaamstreek en bij de sekspartner genitale zweertjes veroorzaken. Duiken de blaasjes op bij extreme kou, moet u de lippen vet houden bij vriesweer.a€? In geval van frequente opstoten (bv. 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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