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Frequent urination, or urinary frequency (sometimes called pollakiuria), is the need to urinate more often than usual. Diuretics are medications that increase urinary frequency. Nocturia is the need of frequent urination at night. [1] The most common cause of this condition for women and children is a urinary tract infection.
Increased production and passage of urine may also be termed as diuresis. [7] [8] 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. [9]
Glucosuria causes a loss of hypotonic water and Na +, leading to a hypertonic state with signs of volume depletion, such as dry mucosa, hypotension, tachycardia, and decreased turgor of the skin. Use of some drugs, especially stimulants, may also increase blood glucose and thus increase urination. [citation needed].
The substances cause an increase in the osmotic pressure within the tubule, causing retention of water within the lumen, and thus reduces the reabsorption of water, increasing urine output (i.e., diuresis). The same effect can be seen in therapeutics such as mannitol, which is used to increase urine output and decrease extracellular fluid volume.
[13] The definition does not address the immediacy of the urge to void and has been criticized as subjective. [13] Urinary frequency is considered abnormal if the person urinates more than eight times in a day. This frequency is usually monitored by having the person keep a voiding diary where they record urination episodes. [1]
This occurs in response to increased fluid intake and is defined as urine outputs of greater than 40 mL/kg/24 hours. Common causes of global polyuria are primary thirst disorders, such as diabetes mellitus and diabetes insipidus (DI). Urination imbalance may lead to polydipsia or excessive thirst to prevent circulatory collapse.
Significant reductions in mean PN/IV infusion volume from baseline to end of treatment were seen in the Phase 3 studies of teduglutide. In addition, some patients were able to be weaned off PN ...
Long term: Frequent urination, loss of bladder control, urinary tract infection [1] Types: Acute, chronic [1] Causes: Blockage of the urethra, nerve problems, certain medications, weak bladder muscles [1] Diagnostic method: Amount of urine in the bladder post urination [1] Treatment: Catheter, urethral dilation, urethral stents, surgery [1 ...