“…Whereas a minority of authors [4,12,17] report improve ment of p. after antimalarial drug treatment, others see no effect whatsoever [1,4,8]. The majority, however, observed exacerbation in a considerable proportion of patients, manifesting itself in the forma tion of new foci of the disease and the origin of crythrodermia [6,14,18,20], or a transition into pustular p. [15]. Our observations agree with the experiences of the last mentioned group of authors.…”