polyuria
Sign in to savePolyuria () is excessive or an abnormally large production or passage of urine (greater than 2.5 L or 3 L over 24 hours in adults). Increased production and passage of urine may also be termed as diuresis. Polyuria often appears in conjunction with polydipsia (increased thirst), though it is possible to have one without the other, and the latter may be a cause or an effect. Primary polydipsia may lead to polyuria. Polyuria is usually viewed as a symptom or sign of another disorder (not a disease by itself), but it can be classed as a disorder, at least when its underlying causes are not clear.
Key facts
- Medical condition (new).image
- ADH3.svg
- Medical condition (new).caption
- Regulation of urine production by ADH and aldosterone
- Medical condition (new).field
- Endocrinology, nephrology
- Medical condition (new).synonyms
- Urination - excessive amount
- Medical condition (new).causes
- Polydipsia, Psychogenic polydipsia
- Medical condition (new).diagnosis
- Urine test and blood test
- Medical condition (new).treatment
- Depends on cause(See cause)
via Wikipedia infobox
Article
9 sectionsContents
- Causes
- List of causes
- Mechanism
- Diagnosis
- Treatment
- See also
- References
- Further reading
- External links
Polyuria () is excessive or an abnormally large production or passage of urine (greater than 2.5 L or 3 L over 24 hours in adults). Increased production and passage of urine may also be termed as diuresis. Polyuria often appears in conjunction with polydipsia (increased thirst), though it is possible to have one without the other, and the latter may be a cause or an effect. Primary polydipsia may lead to polyuria. Polyuria is usually viewed as a symptom or sign of another disorder (not a disease by itself), but it can be classed as a disorder, at least when its underlying causes are not clear.
==Causes== The most common cause of polyuria in both adults and children is uncontrolled diabetes mellitus, which causes osmotic diuresis; when glucose levels are so high that glucose is excreted in the urine. Water follows the glucose concentration passively, leading to abnormally high urine output.