Infantile or juvenile acrodynia is a striking disease syndrome of the neuromuscular and mucocutaneous systems which has been recognized in Australia for the past forty years but only for the past fifteen years in the United States and for the past twelve years in Canada. The first cases in England, where it is often called Swift's disease, probably were those reported by Doak.1The first cases in Europe, where it is often called Feer's disease, were reported in 1923 by Feer2of Zurich. Selter3stated that he reported eight cases in 1903 before a medical society at Cassel, Germany, as cases of "vegetative neurosis" or trophodermatoneurosis." Haushalter,4in describing a "neurovegetative syndrome in infants," stated that he had seen similar cases since 1911. Littlejohn5said that no cases of this disease had been reported until Swift6of Adelaide, Australia, reported a series of