Blister on penis


Herpes is a contagious infection that's caused by the herpes simplex virus. One type of the virus - herpes simplex virus type 1 (HSV1) - can lead to cold sores around the mouth. An infection of herpes simplex virus type 2 (HSV2) can lead to genital herpes, a sexually transmitted disease that causes blisters and pain in the genital area. Both types of the virus can be transmitted through direct contact. A person can get the cold sores of HSV1 by kissing or sharing eating utensils with an infected person. A person can get genital herpes or HSV2 by having intimate contact with an infected person. In many cases, herpes doesn't cause any symptoms, so it's possible for a person to carry it and unknowingly pass it on to someone else. In other cases, herpes infections can lead to infections in other parts of the body. Sometimes people who have oral or genital herpes only have one outbreak. But other people have many outbreaks, which are less painful and shorter than the initial episode.

Types of Blister Infections

Cold sores around the mouth are usually caused by HSV1. This form of the virus is usually transmitted from person to person by saliva or direct contact, like kissing or sharing eating utensils. In this form of herpes, blisters form on the lips and on the inside of the mouth, and soon develop into painful ulcers. The gums become red and swollen, and the tongue may develop a white coating. Other symptoms may include fever; muscle aches, eating difficulties, a generally ill feeling, irritability, and swollen neck glands. These symptoms can last from 3 to 2 weeks. After the first herpes infection, the virus can lie dormant without causing any symptoms for some time. But the virus can reactivate at a later time, leading to a tingling and numbness around the mouth, then a blister that breaks and forms a crust.

Symptoms

Symptoms typically begin with pain, tenderness, or itching in the genital area and also include fever and headache. Blisters soon erupt to form painful sores that last 1 to 3 weeks. Other symptoms may include: pain or a burning sensation during urination; a clear mucus-like discharge from the vagina or urethra (opening for urine) in females; a clear mucus-like discharge from the tip of the penis in males; and tender, swollen glands in the groin area. As with HSV1, after an initial outbreak of genital herpes blisters, HSV2 also remains dormant in nearby nerves and can be reactivated later in life. The symptoms of reactivated genital herpes are similar to those of first outbreak, but they're generally less severe.

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