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Tingling and numbness are common- analyze this

Everyone knows the feeling, when the fingers are numb in freezing temperatures and pain. The numbness go back in a warm place until an unpleasant tingling over before it disappears again. Not always, however, the cause of tingling and numbness in the extremities or other parts of the body such as the face is harmless.

Tingling and numbnessWhile tingling sensation is a disorder of the body surface and is mediated usually by overactive nerve endings in the skin, numbness are usually the under-active nerves. For example, numbness in the legs caused when the corresponding nerve trigger is pulled by prolonged sitting with his legs drawn up and is no longer sending signals. The legs are then moved again, the sense of self a longer lasting numbness, which can not be attributed to a direct causes such as a poor attitude disappears. On the other hand refers to a pathological nerve damage. Persistent tingling sensation that occurs without previous numbness may also indicate nerve damage, leading to false, pathological stimuli. In fact, few are the unpleasant and sometimes even painful tingling can be attributed directly to an external stimulus. But not only cross above or under-active nerves may be cause of unpleasant numbness and tingling.

Causes of numbness and tingling are diverse.

Depending on in which area of the body numbness and/or tingling are usually disturbances in different nerves or blood vessels cause of sensory disturbances. In most cases, go numbness and tingling of the peripheral nervous system that leads the sensations of the various areas of the body to the brain. Thus, numbness, tingling and pain in the hands, feet and legs can be triggered such as in a herniated disc by the compression of single nerve. But the blood flow and nerve damage due to diabetes mellitus, alcohol abuse or infections are a possible cause for sensory disturbances, especially in the legs in question. In the face sensory disturbances are usually caused by damage to the facial nerve, frostbite or burns. But even circulatory disorders in the brain or a migraine attack can lead to sensory disturbances in the head. If symptoms, however, on several parts of your body, come next deficiencies also hormonal imbalances, allergies, toxins, certain medications or psychological factors in question as the cause.

Numbness and tingling as an alarm signal.

Basically, sensory disturbances that occur without apparent cause or last longer should be investigated by a doctor. Because in addition to harmless triggers such as cold or numb legs can also have serious causes such as poor circulation, a herniated disc or nerve disorders are behind the complaints. This should especially numbness that remain limited to a half of the body to be seen as an alarm signal, because they may indicate a life-threatening stroke that requires immediate emergency medical assistance.