Yes
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Thirst, orthostatic hypotension, irregular heartbeat, heavy, labored breathing, and fatigue
Polydipsia is the term for excessive thirst. It can be a symptom of Diabetes mellitus or diabetes insipidus.Polydipsia
Hypernatremia is especially dangerous for children and the elderly
Putting aside normal thirst from lack of drinking, extreme thirst can be a symptom of diabetes.
Severe hypernatremia has a mortality rate of 40-60%
Possibly diabetes. Go see a doctor.
I am aware that if you drink a lot of water that can be related to diabetes type 1.
Hypernatremia can cause neurological damage due to shrinkage of brain cells