1. (Plants) any N temperate fagaceous tree of the genus Castanea, such as C. sativa (sweet or Spanish chestnut), which produce flowers in long catkins and nuts in a prickly bur. Compare horse chestnut, water chestnut, dwarf chestnut. 2. (Cookery) the edible nut of any of these trees.
Another condition that is sometimes revealed by investigation of erythema nodosum is sarcoidosis. Drugs, including oral contraceptives, appear to be the cause of particular cases of erythema nodosum. In many cases, however, no clear cause can be found.
Other skin diseases that less frequently cause erythroderma include: 1  Other forms of dermatitis: contact dermatitis (allergic or irritant), stasis dermatitis (venous eczema) and in babies, seborrhoeic dermatitis or staphylococcal scalded skin syndrome. 2  Blistering diseases including pemphigus and bullous pemphigoid.