Polydipsia (also known as Polydipsias): Excessive thirst manifested by excessive fluid intake. It is characteristic of many diseases such as DIABETES MELLITUS; DIABETES INSIPIDUS; and NEPHROGENIC DIABETES INSIPIDUS. The condition may be psychogenic in origin.

NIH MeSH · D059606Diseases

Polydipsia

Also known asPolydipsias

Definition

Excessive thirst manifested by excessive fluid intake. It is characteristic of many diseases such as DIABETES MELLITUS; DIABETES INSIPIDUS; and NEPHROGENIC DIABETES INSIPIDUS. The condition may be psychogenic in origin.

MeSH classification

  • C23.550.759
  • C23.888.663

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Common questions about Polydipsia

What does Polydipsia mean in medicine?
Excessive thirst manifested by excessive fluid intake. It is characteristic of many diseases such as DIABETES MELLITUS; DIABETES INSIPIDUS; and NEPHROGENIC DIABETES INSIPIDUS. The condition may be psychogenic in origin. This definition is taken from the National Library of Medicine's MeSH (Medical Subject Headings) 2026 release, which is the standard vocabulary used to index PubMed and most medical literature.
Is Polydipsia known by any other names?
Yes. Polydipsia is also referred to as Polydipsias in different clinical, research and patient-facing contexts. The MeSH descriptor groups all of these synonyms under a single canonical concept so research and records stay consistent.
Where does Polydipsia sit in the medical classification?
Polydipsia falls under the broader medical category "Diseases" in the MeSH hierarchy (tree numbers: C23.550.759, C23.888.663). Browsing the related concepts on this page takes you to neighbouring topics in the same branch of medicine.
Where can I get a plain-language explanation of Polydipsia?
For a plain-language explanation of Polydipsia - including symptoms, treatments and what it means for an Indian patient - ask GoDavaii's Health AI. It works in 22+ Indian languages, is free and needs no signup. Tap "Ask GoDavaii AI about Polydipsia" above.

Source: NIH MeSH 2026 (D059606) — National Library of Medicine, public domain. View official MeSH record ↗