tolvaptan (Samsca, SAM-sca), the first oral "vaptan" or vasopressin antagonist for treating hyponatremia
You'll hear about tolvaptan (Samsca, SAM-sca), the first oral "vaptan" or vasopressin antagonist for treating hyponatremia.
It's an alternative to using IV conivaptan (Vaprisol).
These are sometimes called "aquaretics" because they help eliminate extra water without sodium or potassium loss. They work by selectively blocking vasopressin receptors in the kidneys.
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