Young male with excessive thirst and urination for 6 months who presents with seizures found to have hypo-osmolar hyponatremia, most consistent with psychogenic polydipsia
Key idea: This demographic is classically when signs/symptoms of schizophrenia develop, and patients with schizophrenia are at increased risk for psychogenic polydipsia
Key idea: If patient has hypo-osmolar hyponatremia and a urine osmolality < 100, then they almost certainly have psychogenic polydipsia or beer potomania
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