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What is SIADH?

SIADH is a condition that occurs when your body makes too much antidiuretic hormone (ADH), also known as vasopressin. This substance controls the way your body retains or secretes water.

FAQ Frequently asked questions

What are the symptoms of SIADH?

Many people with mild SIADH often have no symptoms. For others, symptoms can appear and become more severe as the body's salt concentration drops. These symptoms may include: nausea and vomiting; loss of appetite; stomach aches; confusion, hallucinations, …

What causes SIADH?

SIADH can have numerous causes, including various cancers, brain and nervous system damage, lung problems, reaction to certain medications, and other factors.

How is SIADH diagnosed?

Your doctor will suspect SIADH if you display symptoms and have a medical condition or history that would put you at risk of SIADH. To confirm the diagnosis and rule out other conditions, urine tests and blood tests will be performed to check the salt levels in your …

How is SIADH treated?

SIADH can be cured if the underlying cause is treated. SIADH is often treated with fluid restriction (minimizing your water intake). Medications can limit ADH activity (vasopressin-receptor antagonists) or encourage water excretion (diuretics). Short-term treatment of …

Can SIADH be cured?

SIADH will clear when its cause has been treated.

Is SIADH serious?

SIADH can have a significant effect on your health, so it is important to treat it.

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About this article

Author: Kellie Heywood
First answered: 18 Sep 2014
Last reviewed: 19 May 2018
Rating: 4.6 out of 5
Votes: 892 (Click smiley face below to rate)
Category: Hypothyroidism

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