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...
While not everyone with psoriasis has itching, most do - some studies show around 80 percent of those with psoriasis suffer from itching and it is the most common complaint of those hospitalized for psoriasis .  For some, the constant itchiness, even when plaques aren’t present, is the most difficult part of the disease and the most debilitating. It is sometimes described as a burning, biting sensation or as if you are being bit by fire ants.
Constant itching is distracting, causing difficulty sleeping, problems concentrating, lowered sex drives and can lead to depression.  Even so, some dermatologists glaze over itchiness, focusing more on treating the lesions themselves. A serious concern, though, is that scratching can trigger psoriasis, the same way cuts or abrasions on the skin do. It can cause lesions to become red, swollen or infected. Many experience the “itch-scratch cycle” where scratching increases the inflammation, which increases the i...
Acrodermatitis is a childhood skin condition that may be accompanied by mild symptoms of fever and malaise . It may also be associated with hepatitis B and other viral infections.
Papular acrodermatitis of childhood; Gianotti-Crosti syndrome; Acrodermatitis - infantile lichenoid; Acrodermatitis - papular infantile; Papulovesicular acro-located syndrome; Acrodermatitis enteropathica
Causes, incidence, and risk factors
The cause of acrodermatitis is poorly understood, but its link with other infections is well- documented.
In Italian children, acrodermatitis is seen frequently with hepatitis B , but this link is rarely seen in the United States. Epstein-Barr virus (EBV, mononucleosis) is the virus most often associated with acrodermatitis. Other associated viruses inclcude, cytomegalovirus, coxsackie viruses, parainfluenza virus, respiratory syncytial virus (RSV), and some live virus vaccines.
A rare, genetic form of acr...
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