pustular psoriasis [L, pustula, blister; Gk, psoriasis, itch] , a severe form of psoriasis consisting of bright red patches and sterile pustules all over the body. Crops of lesions lasting 4 to 7 days occur every few days in cycles over weeks or months. Recurrences are inevitable. Fever, leukocytosis, and hypoalbuminemia are associated. In rare cases, hypovolemia and kidney failure occur. Hospitalization may be necessary for fluid replacement, steroid therapy, and sedation. Compare guttate psoriasis. See also psoriasis.
