Answer:
Are you talking about diabetes insipidus? I provided a link for you.
do you mean
diabetes insipidus
Main Entry: diabetes in·sip·i·dus
Pronunciation: -in-sip-d-s
Function: noun
: a disorder that is caused by insufficient secretion of vasopressin by the pituitary gland or by a failure of the kidneys to respond to circulating vasopressin and that is characterized by intense thirst and by the excretion of large amounts of urine