Ammonium Iodatum
Allen, Supplement to the Encyclopedia of Pure Materia Medica, 1879, Vol. X, p. 289
Authority. Sidney Ringer, M.B., Practitioner, vol. viii, 1872, p. 129, a lad, set. seventeen years, convalescent from acute rheumatism, took three doses each of 10 grains.
After two doses, and in six hours and a half, petechial spots broke out on both legs.