Generalized Erythrodermia is rare, and the etiology often obscure. It is known that various chronic skin eruptions, such as eczema and psoriasis may take on this severe phase, and such a skin condition has been seen in tuberculosis, lymphade-noma, and other conditions. The cutaneous vaso-motor system seems to lose all tone. Here again a simple, nutritious, bland diet is called for.

The second section of the proper cutaneous reactions is characterized by the absence of pruritus as a dominant feature, and it includes such disorders as the great group of erythemata, herpes simplex and zoster, pemphigus, psoriasis, and pityriasis rubra pilaris.