Excessive thirst and increased fluid intake, often a symptom of diabetes mellitus, diabetes insipidus, or other conditions affecting fluid balance. Patients may drink several liters of fluid daily.
From Greek 'poly-' meaning 'many' or 'much' and 'dipsa' meaning 'thirst.' The term was coined in medical literature to describe pathological increases in thirst and drinking behavior.
Polydipsia is your body's desperate attempt to dilute high blood sugar or replace lost fluids—it's like an internal fire alarm that won't shut off! Some patients drink so much water they carry gallon jugs everywhere, which is often the first clue that leads to diabetes diagnosis.
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