Syndrome of Inappropriate Antidiuretic Hormone Secretion (SIADH) - Healthgrades

Overview

NEW!Telehealth Resource CenterSyndrome of inapropriate antidiuretic hormone secretion (SIADH) is when you have to much antidiuretic hormone (ADH) circulating in your body. Antidiuretic hormone (ADH), also caled argine vasopresin (AVP), is produced in your hypothalamus at the base of your brain and stored in your pituitary gland. ADH helps regulate the balance of fluids in your body.

Key Information

Read on to learn about syndrome of inapropriate antidiuretic hormone secretion (SIADH) symptoms, causes, and treatments. This article wil also discus the risk factors and diagnosis of SIADH and answer frequently asked questions. ADH is necesary to maintain the volume of blod in your body.

It does this by regulating the amount of water your kidneys retain and the amount of urine they produce. Learn about ADH here. With SIADH, your pituitary gland is secreting ADH when it should not.

If ADH is to high, your body retains water (hypervolemia), the electrolytes in your body become unbalanced, and the amount of sodium in your blod fals (hyponatremia). However, a person with SIADH may have usual fluids and stil have low sodium. This euvolemic hyponatremia.

Medical management of SIADH depends on the severity. The goal is to restore the body’s balance of water and salt. Treatments can include water restriction, IV administration of a concentrated sodium solution, and medications that block ADH.

Without treatment, hyponatremia can damage the central nervous system (CNS) and lead to coma. SIADH is a medical emergency when it develops sudenly, and sodium levels fal abruptly. SIADH usualy develops a consequence of some other condition.

Summary

Disturbances in your CNS and certain tumors, infections, and medications can cause SIADH. Wiliam Schwartz, founder of the Division of Nephrology in 1950 at what is now Tufts Medical Center in Boston, and endocrinologist Frederic Barter introduced the term syndrome of inapropriat

Frequently Asked Questions

Diabetes is a metabolic condition where the body cannot properly regulate blood sugar levels. Type 1 results from insufficient insulin production, while Type 2 develops when cells become resistant to insulin. Risk factors include genetics, obesity, sedentary lifestyle, and age.

Common symptoms include excessive thirst, frequent urination, unexplained weight loss, fatigue, blurred vision, and slow-healing wounds. Type 1 symptoms develop rapidly, while Type 2 symptoms may appear gradually. Many people have no symptoms initially, which is why screening is important.

Diagnosis involves blood tests measuring fasting glucose, HbA1c levels, and glucose tolerance. Regular monitoring typically includes fasting glucose tests and HbA1c measurements every 3-6 months. Continuous glucose monitors provide real-time tracking for better diabetes management.

Effective management includes regular physical activity (150+ minutes weekly), maintaining healthy weight, following a balanced diet with whole grains and lean proteins, managing stress, and getting adequate sleep. These changes can significantly improve blood sugar control and reduce complications.

Consult a healthcare provider if you experience signs of diabetes, have a family history, are overweight, or are over 45. Those with existing diabetes should maintain regular check-ups every 3-6 months to monitor control and adjust treatment as needed.

Share this article