“…Chronic ulcerative colitis, particularly when accompanied by liver disease, may in itself be a clue to the existence of that susceptibility (lupus diathesis). That drug therapy, including sulphonamides and particularly hydralazine, may elicit the clinical manifestations of systemic lupus erythematosus in the susceptible individual is well documented in the literature (Gold, 1951;Honey, 1956;Domz, McNamara, and Holzapfel, 1959;Comens, 1961;Rallison, O'Brien, and Good, 1961;Alarcon-Segovia, Worthington, Ward, and Wakim, 1965). On the other hand, drug reactions are so frequent in patients with systemic lupus erythromatosus that they are often considered to have significant diagnostic importance.…”