Numbness is an inability to feel anything when you touch your skin.
You may feel like the part you touch does not belong to you. Tingling is a
pins-and-needles sensation, like when your foot "falls asleep." It is normal to
have temporary changes in feeling after an injury or when swelling is present.
Home treatment may help relieve swelling that can cause numbness or
Numbness or tingling may mean that nerves have been injured or
pinched, swelling is putting pressure on nerves, or blood vessels have been
injured. This can occur gradually from an overuse injury or from a sudden
(acute) injury, such as a
dislocation, or severe
Once a pituitary tumor has been diagnosed, tests are done to find out if it has spread within the central nervous system (brain and spinal cord) or to other parts of the body.
The extent or spread of cancer is usually described as stages. There is no standard staging system for pituitary tumors. Once a pituitary tumor is found, tests are done to find out if the tumor has spread into the brain or to other parts of the body. The following tests and procedures may be used:
A pinched nerve in the ankle can lead to
tarsal tunnel syndrome. It is relatively common for
bicyclists riding long distances to develop numbness for a few minutes to an
hour because of tight toe-clip straps. A bicyclist may be able to prevent this
problem by loosening the straps or switching to a step-in shoe-pedal.
Numbness and tingling are more serious when:
You have a complete loss of
You have symptoms of decreased blood flow, such as pale,
white, blue, or cold skin.
You have muscle weakness not caused by
Symptoms don't go away.
Symptoms go away but
keep coming back.
Jan Nissl, RN, BS
Susan Van Houten, RN, BSN, MBA
Primary Medical Reviewer
Kathleen Romito, MD - Family Medicine
Specialist Medical Reviewer
Gavin W.G. Chalmers, DPM - Podiatry and Podiatric Surgery
October 27, 2008
WebMD Medical Reference from Healthwise
October 27, 2008
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