A sudden involuntary contraction of the muscular wall of the bladder causing urinary urgency, an immediate unstoppable urge to urinate. It is a form of urinary incontinence (the unintentional loss of urine) and affects about 1 in 11 adults, particularly older adults. Treatment may include pelvic muscle strengthening, behavioral therapy, and medications. Also called overactive bladder.
- Urgency, urinary
An immediate unstoppable urge to urinate, due to a sudden involuntary contraction of the muscular wall of the bladder.
Upper respiratory infection. Infection of the air passages of the nose, the throat, and/or bronchial tubes.
- Uric acid
A breakdown product of purines that are part of many foods. In gout, there are frequently, but not always, elevated levels of uric acid in the blood (hyperuricemia). However, only a small portion of those with hyperuricemia will develop gout.
The presence of excess uric acid in the urine, which may be a sign of gout or kidney stones.
- Uridine monophosphate
(UMP) A molecular ion derived from uridylic acid. It has a uracil as its base.