Canker sores and fever blisters
Are fever blisters and canker sores the same thing?
No. Canker sores occur only inside the mouth and are not contagious. They sometimes occur as a result of trauma (biting the inside of the lip, burning the mouth with hot food), but may also occur without any known reason.
or cold sores are caused by herpes simplex virus type 1 and are very contagious. Fever blisters often come back in the same location.
The beginning of summer kicks off the camping and hiking season, anxiously awaited by those who have endured a long cold winter. This year will likely prove to be one of the busier camping seasons as many Americans bypass more expensive vacations that involve pricey airline tickets or gas guzzling road trips. Emergency department staff will probably see a greater number of people with contact dermatitis caused by exposure to poison ivy, poison oak or poison sumac. Many people have never seen poison ivy , or perhaps wouldn't recognize it if they saw it. Poison ivy, poison oak and poison sumac belong to the plant genus Toxicodendron (previously referred to as Rhus ). Toxicodendron means "poisonous tree." These plants have an oil-based substance in the resin on their leaves and in their stems and branches called urushiol that causes a delayed skin reaction in about 50% of people that contact it. Urushiol may cause severe contact dermatitis in people that have previousl...
Studies show that genital herpes simplex virus is common. In the United States, one out of five of the total adolescent and adult population are infected with herpes simplex virus. There are two types of herpes simplex viruses (HSV). HSV type 2 is the one that most commonly causes genital herpes . You can get HSV type 2 during sexual contact with someone who has a genital HSV-2 infection. The infection causes painful sores on the genitals in both men and women. HSV type 1 is the herpes virus that is usually responsible for cold sores of the mouth, the so-called " fever blisters." You get HSV-1 by coming into contact with the saliva of an infected person. However, HSV type 1 can cause genital herpes, usually caused by oral-genital sexual contact with a person who has the oral HSV-1 infection, and HSV type 2 can cause cold sores. Herpes can be treated but not cured. Symptoms appear briefly and then disappear; the disease lies dormant in nerve cells, but it may be reactivated by str...
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