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Introduction
Incontinence is the inability to control the passage
of urine. This can range from an occasional leakage of
urine, to a complete inability to hold any urine.
The two main types of urinary incontinence are:
-
Stress incontinence -- occurs during certain
activities like coughing, sneezing, laughing, or
exercise.
-
Urge
incontinence -- involves a strong, sudden need to
urinate followed by instant bladder contraction and
involuntary loss of urine. You don't have enough
time between when you recognize the need to urinate
and when you actually do urinate.
Common Causes
Incontinence may be sudden and temporary, or ongoing
and long-term. Causes of sudden or temporary
incontinence include:
-
Urinary tract infection or inflammation
-
Prostate infection or inflammation
-
Stool
impaction from severe constipation, causing pressure
on the bladder
-
Side
effects of medications (such as diuretics,
tranquilizers, some cough and cold remedies, certain
antihistamines for allergies, and antidepressants)
-
Increased urine amounts, like with poorly controlled
diabetes
-
Pregnancy
-
Weight gain
-
Excess caffeine and alcohol intake
-
Mental confusion
Causes that may be more long-term:
-
Spinal injuries
-
Urinary tract anatomical abnormalities
-
Neurological conditions like multiple sclerosis or
stroke
-
Weakness of the sphincter, the circular muscles of
the bladder responsible for opening and closing it;
this can happen following prostate surgery in men,
or vaginal surgery in women
-
Pelvic prolapse in women -- falling or sliding of
the bladder, urethra, or rectum into the vaginal
space, often related to having had multiple
pregnancies and deliveries
-
Large
prostate in men
-
Depression or Alzheimer's disease
-
Nerve
or muscle damage after pelvic radiation
-
Bladder cancer
-
Bladder spasms
Symptoms
Symptoms vary depending on the type of incontinence:
Stress incontinence
is the loss of urine when there is a sudden increase
in pressure in the abdomen caused by laughing,
coughing, sneezing, exercising, or lifting something
heavy.
Urge incontinence is the most common type of
incontinence. It occurs when someone suddenly feels
as though they need to use the toilet, but is unable
to reach it in time. Urge incontinence has many
causes.
Mixed incontinence is a combination of stress
and urge incontinence.
Overflow incontinence occurs when the bladder
cannot empty properly. A person makes frequent trips
to the toilet, letting out small amounts of urine
each time. Because the bladder never empties
completely, it may feel full again very quickly.
Some people may have periodic leaking without any
sensation of fullness.
Functional incontinence is not caused by
problems with the bladder. Accidents occur because
it may be difficult for a person to get to the
toilet due to illness, arthritis, or lack of
available facilities.
Diagnosis
-
Review of medical history.
-
Physical exam, including pelvic
examination.
-
Laboratory tests, including
urinalysis and urine culture to rule out a urinary
tract infection; blood sugars to rule out diabetes
mellitus.
-
Urodynamic studies where the
physician tests the function of bladder and urethra
by measuring bladder pressure and urine flow.
-
Cystoscopy, which involves the
direct visualization of the urinary bladder and
urethra from inside by inserting an endoscopic tube
through the urethra. Please see cystoscopy for more
information.
-
Cystogram to show abnormal
anatomy and functions that may be causing
incontinence. For a cystography or voiding
cystourethrography, the bladder is filled with
iodine containing X-Ray dye, and an X-Ray is taken
of the bladder and urethra when filled, during
urination, and immediately after urination.
Treatment
Treatment depends on the type of incontinence and may
require one or more of the following:
-
Estrogen creams, if estrogen
deficiency (from menopause) is suspected.
-
Antibiotics to treat a urinary
tract infection.
-
Medication to help regulate the
bladder and urethra.
-
Surgery to support the bladder
and correct the pelvic anatomy.
-
Kegel exercises to strengthen the
pelvic muscles.
-
Bladder training to help a person
control the urgent need to urinate.
-
Vaginal pessaries to support a
partially prolapsed bladder.
Prevention
Performing Kegel exercises while you are pregnant and
soon after delivery may help prevent incontinence
related to childbirth.
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