Erythrodermic psoriasis attack symptoms exfoliative dermatitis. Early when the lesion site appeared in the original skin flushing, and then gradually expanded, and a slight edema or infiltration, mostly dry skin, a few may be moist scab was also accompanied by severe itching. At this point, and point-like silver scales of psoriasis and other characteristics of the bleeding point is often lost, and when the skin lesions can occur when a large number of scaling relief, head and face, or secondary infection due to sebum and more tired of the thick scales, often has large areas of the Department of palms and soles peeling, usually cause hair loss, nail thickening, rough, sallow, and ultimately fall off. Pharynx, nasal mucosa will be affected. Attack before or attack, as fever up to 40 ℃, and is proportional to the severity of skin lesions. In addition may be accompanied by swollen lymph nodes, joint pain, muscle pain, severe Staphylococcus aureus bacteremia can be seen, multiple osteomyelitis, endocarditis, and pneumonia. Laboratory examination: peripheral blood leukocytosis, elevated blood eosinophils, ammonia than the normal 3 to 7 times the amount of decrease in serum total protein, albumin and gamma globulin increased reduction, electrolyte disorders, occasional liver and kidney dysfunction. Since a large area of skin damage defensive, increasing water loss through the skin, leading to dehydration. Acute needs are generally 1 to 2 months to ease, but also several months of unhealed or repeated. Patients should pay attention to emotion here, not urgent and chaotic drug use, or will be worse, or temporary relief, increased immediately after the withdrawal or reduction.

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