Test Overview
You can buy dipstick test kits without a doctor's order
(non-prescription) to use at home to check for
urinary tract infections (UTIs). Talk to your doctor
about using a test kit. Make sure that your doctor knows about any abnormal
test results so that a urinary problem is not missed.
The
urinary
tract
consists of the kidneys, bladder,
ureters, and
urethra. Urine in the bladder normally is sterile—it
does not contain any bacteria or another organism (such as a
fungus). But bacteria can enter the urethra during
urination.
Urinary tract infections are more common in women and girls than in
men. This may be partly because the female urethra is shorter and closer to the
anus, which allows bacteria from the intestines to
come into contact more easily with the urethra. (See an illustration of the
female
urinary tract
.) Men also have an antibacterial substance in their
prostate gland that reduces their risk.
The dipstick test kit contains specially treated plastic strips
(dipsticks) that you hold in your urine stream or dip into a sample of your
urine. The strips test for a substance (called nitrite) produced by most
urinary tract infections. Certain types of strips also test for white blood
cells (leukocytes). Some types of dipsticks can test for both nitrite and
leukocytes, but most types test for only one or the other. An area on the end
of the strip changes colour if you have an infection.
Most urinary tract infections can be easily cured with
antibiotics. However, an untreated infection may
spread to the kidneys and cause a more serious problem. If you use a home test
kit, make sure that your doctor knows about any abnormal test results so that a
serious problem is not missed.