“…In contrast with previous studies [2][3][4][5], Hawkey et al [1] did not find any evidence of a beneficial effect and questioned the effectiveness of corticosteroids to treat PUR. We think that their analysis could be biased by their definition of PUR, by the different use of steroids depending upon the severity of disease, and by the difficulties involved in the follow-up of the evolution of PUR by means of medical charts.…”