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→Table 1: Condition with morbid thirst and diagnostic tests
|Decreased urine specific gravity and osmolality, increased blood sodium
|Decreased urine specific gravity and osmolality, increased blood sodium
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!scope = "row"| Diuretics
|Dry mouth
|Decreased urine specific gravity
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!scope = "row"| Psychogenic polydipsia
|Usually in individuals with schizophrenia treated with antipsychotics
|Increased 24-hour urine, decreased urine specific gravity and osmolality, sometimes: decreased blood sodium
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!scope = "row"| Adrenal hyperactivity (hyperaldosteronism)
|Increased blood pressure
|Decreased blood potassium, increased urine potassium, increased blood aldosterone after sodium challenge
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!scope = "row"| Anorexia nervosa
|Severely decreased body weight
|Mineral and vitamin deficiencies (hypokalemia, low iron, etc.)
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!scope = "row"| Postural (orthostatic) hypotension
|Dizziness after raising up, Drop of blood pressure > 30 mm Hg upon standing
|Nothing typical
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!scope = "row"| Hypertension
|Increased blood pressure
|Possible increase of blood aldosterone, renin
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