HSV-1 causes cold sores on the mouth, and up to 80 of the population has this virus. Most people with herpes will not have symptoms and therefore will not be aware they have it. Oral herpes (cold sores) is an infection caused by the herpes simplex virus (HSV). Oral Herpes (HSV-1, Herpes Simplex Virus-1) Facts. Mouth sores most commonly occur in children 1-2 years of age, but they can affect people at any age and any time of the year. It most often occurs around the lips, oral mucosa, or tongue.
The first infection with HSV-1 or oral herpes often causes no symptoms but it may cause sores in the mouth around the teeth and gums ( gingivostomatitis ). Genital herpes lesions usually appear within 2 to 10 days after being exposed to the virus, and can last from two to four weeks. If the infection is caused by HSV-1, the (first year) recurrence rate is 50. It can also be caused by herpes simplex virus type 1, which is the cause of oral herpes (cold sores on the mouth and lips). The first outbreak usually occurs within a few weeks after infection with the virus.
1-800-230-PLAN. Here are some of the most common questions we hear people ask about herpes. Oral herpes is caused most often by HSV-1. Genital herpes is one of the most prevalent sexually transmitted infections (STIs) in the United States. 24 tested positive for HSV-1 from genital lesions more often than older women.