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In healthy men and women, urine does not contain any blood that can be seen with the eye, called "gross blood," nor does it contain red blood cells that can be discovered with the aid of a microscope. The discovery of either gross or microscopic blood in urine is a sure indication of the need to examine and evaluate the patient to discover the cause of this abnormality. The conditions that can lead to either gross or microscopic blood in the urine are many and varied. In adults, a careful history to describe the details of the bloody urine, a physical examination and laboratory studies are the first step in unearthing the cause. Imaging with x-rays, ultrasound, CAT/MRI scans are the next step and will usually discover the cause. In adult women, infection of the bladder or kidneys, urinary stones, and tumors of the urinary bladder, kidneys are the most common causes. In adult men, enlargement and/or infection of the prostate, bladder infection and...
Frequent urination means needing to urinate more often than usual. Urgent urination is a sudden, compelling urge to urinate, along with discomfort in your bladder.
A frequent need to urinate at night is called nocturia . Most people can sleep for 6 to 8 hours without having to urinate. Middle aged and older men often wake to urinate once in the early morning hours.
Urgent urination; Urinary frequency or urgency
Together, frequent and urgent urination are classic signs of a urinary tract infection .
Diabetes, pregnancy, and prostate problems are other common causes of these symptoms.
Other causes include:
Medicines such as diuretics
Overactive bladder syndrome
(infection of the prostate gland)
Stroke and other brain or nervous system diseases
Tumor or mass in th...
Definition Excessive volume of urination means that you release abnormally large amountsof urine each day. The medical term for this condition ispolyuria. Alternative Names Polyuria Considerations An excessive volume of urination for an adult is more than 2.5 liters of urine per day. Polyuria is a fairly common symptom, which is often noticed when you have to get up to use the bathroom at night. Common Causes Drinking a large amount of fluids, particularly those containing caffeine or alcohol Certain medications, especially diuretics Diabetes mellitus Diabetes insipidus Psychogenic polydipsia , most common in women over age 30 Kidney failure Sickle cell anemia Imaging tests that involve injecting a special dye (contrast media) into your vein -- the amount of urine you produce may increase for up to 24 hours afterwards
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