Tolvaptan is a vasopressin receptor antagonist. Vasopressin (a.k.a. ADH or antidiuretic hormone) helps to regulate water retention by absorbing water in the collecting ducts of the nephron.

Sometimes, people with vasopressin deficiency self-administer it. Vasopressin, also known as antidiuretic hormone (ADH), has two main functions: reducing the amount of urine released by the ...

The VASST trial was first published in 2008 and has spawned 16 years of analysis and debate. Aaron Holley, MD, has vacillated ...

Antidiuretic hormone (ADH) test: This blood test checks the level of vasopressin in your blood.Normal values range from 0 to 5.9 picograms per milliliter (pg/mL). Anything above 5.9 may be a sign ...

Hormonal changes You age and hormones play a big role in this night-walker. Less ADH could be one of the reasons why nocturia occurs. As we age, the body makes less antidiuretic hormone (ADH ...

DIABETES insipidus ordinarily is due to lack of the neurohypophyseal hormone, vasopressin ... degree of kaliuresis resulting from equipotent antidiuretic doses of the three drugs.