Primary hyperaldosteronism is a disorder caused by excess production of the hormone aldosterone by the adrenal glands. The main symptom of primary hyperaldosteronism is high blood pressure ( hypertension), but other symptoms may include headaches, weakness, swelling ( edema), and muscle spasms ( tetany). The cause of primary hyperaldosteronism can vary. One cause may be an adenoma, or benign tumor, on the adrenal glands, which causes them to produce too much aldosterone. If primary hyperaldosteronism is caused by an adenoma, it is known as Conn’s syndrome. The condition may also be caused by enlarged adrenal glands without adenomas ( adrenal hyperplasia).
In some cases, primary hyperaldosteronism is inherited in an autosomal dominant manner, but in most cases the exact cause of the disease is unknown ( idiopathic). A diagnosis is made by testing the blood for high levels of aldosterone. Treatment for Conn’s syndrome includes surgical removal of the adenomas. Medication is used to treat primary hyperaldosteronism if it is caused by adrenal hyperplasia.
Source: GARD Last updated on 05-01-20
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