Merck Manual

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What Causes SIADH?

What Causes SIADH?

Type of Disorder

Examples

Brain or nervous system

Bleeding (hemorrhage) within the layers of tissue covering the brain

Encephalitis (inflammation of the brain)

Head injury

Hypothalamus disorders, including tumors (rare)

Tumors

Lung

Acute respiratory failure

Cancers

Other

Surgery

SIADH = syndrome of inappropriate secretion of antidiuretic hormone.