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Hypoaldosteronism is a condition characterized by the shortage (deficiency) or impaired function of a hormone called aldosterone. Hypoaldosteronism may be described as hyporeninemic or hyperreninemic depending on renin levels. Hyporeninemic hypoaldosteronism occurs when there is decreased production of aldosterone due to decreased production of renin . Affected individuals typically have kidney (renal) disease due to various conditions, such as diabetes, interstitial nephritis, or multiple myeloma. Hyperreninemic hypoaldosteronism occurs when there is a problem with the production of aldosterone, but renin is produced normally by the kidneys. Common causes of this form of hypoaldosteronism are medications (ACE inhibitors), lead poisoning, severe illness, and aldosterone enzyme defects.[1]
Last updated: 5/4/2010


  1. Ferri FF. Ferri's Clinical Advisor 2010. Phildelphia: Mosby; 2009;
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