What causes fever blisters?
A fever blister located on the lips, mouth, and face is usually caused by the highly contagious herpes simplex type 1 virus. Only a small number are caused by herpes simplex type 2, the type usually associated with genital lesions.
There is no cure for a fever blister. However, there are medications that will relieve the pain and itchiness, and speed the healing of the blister.
See: Herpes labialis (oral herpes simplex)
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...
He came in concerned about an itchy, burning rash on his penis. Silently, I could tell he thought it may be herpes . And I thought so too. When I told him that I too suspected herpes and that we needed to test him for the condition, he silently agreed. I told him about the test and about how we’d address the herpes if that is what he had. I knew he had questions, but I could also tell that he was so overwhelmed with the prospect of having the condition that he shut down. He was completely unable to regain his bearings and ask me all of the questions I knew were racing in his head. He left quickly despite my best efforts to engage him in conversation or offer support or information. I can’t imagine what my patient must have gone through that first day and night after our appointment. He must have been terrified, angry, depressed, or even felt ashamed. My heart aches for him. And by tomorrow, he’ll have a million questions. If you’re concerned that you may have herpes and haven’t see...
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