Syndrome of inappropriate antidiuretic hormone
* Not a rare disease
Other Names for this Disease
- Syndrome of inappropriate antidiuretic hormone secretion
- Dilutional hyponatremia
- Schwartz Bartter syndrome
- Inappropriate ADH syndrome
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Syndrome of inappropriate antidiuretic hormone (SIADH) occurs when an excessive amount of antidiuretic hormone is released resulting in water retention and a low sodium level. It is most common among older people. It has many causes including, but not limited too, pain, stress, exercise, a low blood sugar level, certain disorders of the heart, thyroid gland, kidneys, or adrenal glands, and the use of certain medications. Disorders of the lungs and certain cancers may increase the risk of developing SIADH. Treatment includes fluid restriction and sometimes the use of medications that decrease the effect of antidiuretic hormone on the kidneys.
Last updated: 6/5/2014
- Lewis JL. Hyponatremia (Low Level of Sodium in the Blood). The Merck Manual Home Health Handbook. July 2013; http://www.merckmanuals.com/home/hormonal_and_metabolic_disorders/electrolyte_balance/hyponatremia_low_level_of_sodium_in_the_blood.html. Accessed 6/5/2014.
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