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Azathioprine is an immunosuppressive drug occasionally indicted as the cause of some episodes of acute cholestasis. The case described confirms the possibility of acute, severe, and reversible cholestatic hepatopathy of iatrogenic (toxic rather than idiosyncratic) origin.

The effects of single orally-administered dose of enalapril and captopril on central and district-peripheral circulations have been studied in 20 patients with essential arterial hypertension. Either drug caused a decrease in arterial pressure, telesystolic and telediastolic parietal stress, and a reduction in the peripheral vascular resistance of upper limb district. Furthermore, at the upper limb district level, increases in arterial flow and venous-system capacity have been observed. The entity of these modifications induced by enalapril and captopril appeared comparable, according to the respective peak-time and used dosages. Under this study conditions, the difference between the drugs resulted to be essentially of chronological nature.