[Arterial hypertension and hyporeninemic hypoaldosteronism. Description of a clinical case].

In a clinical case of arterial hypertension with hypopotassiaemia and hyporeninaemic hypoaldosteronism due to the use of a dermatological cream containing 9-alpha-fluoroprednisolone, late identification of the iatrogenic cause forced attention on the differential diagnosis of the less frequent hyporeninaemic hypoaldosteronism.