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.

You can develop diabetes insipidus if you have a deficiency of or resistance to antidiuretic hormone (ADH), also known as vasopressin, a hormone responsible for keeping water levels balanced in ...

For people over the age of 70, needing to pee twice a night is considered normal which goes up to four times for those in ...

In his regular column, Dr James Le Fanu answers your questions. This week, a reader asks whether her overactive bladder ...

If you’ve noticed you’re drinking more water than usual but still seem to feel thirsty, Kocsis urges that this could be a sign that your body isn’t making enough antidiuretic hormone (ADH ...

The reabsorption of water back into the blood (at the medulla) is controlled by the anti-diuretic hormone (ADH). ADH is produced by the part of the brain that monitors water levels in the blood.

Are you curious about how many times it's normal to get up at night to urinate depending on age?Well, recent reports suggest ...

There are a number of reasons why you have to get up in the middle of the night to go for a wee, but how often is normal?

According to Palmer (2000), SIADH is an expansion of extracellular fluid volume resulting from the superfluous release of antidiuretic hormone (ADH) or increased renal sensitivity to ADH.

ADH is produced by the part of the brain that monitors water levels in the blood. It is then carried in the blood to its target organ – the kidneys. When the brain detects lower than normal ...