Thirsty
Thirst for polydipsia is due to lack of antidiuretic hormone (ie arginine vasopressin, AVP for short) and dysfunction of renal tubular reabsorption of water, which leads to polyuria, thirst, and polydipsia due to hypothalamus-neurohypophysis Caused by local lesions, but some cases have no obvious cause, but it is more common in young people.
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