Numbness of the legs and arms is an alarming signal of the body. It should be paid attention to in a timely manner in order to eliminate the risk of developing chronic pathologies. Numbness of the extremities, the causes of which are different, in one case can signal that the body is in an uncomfortable position, and in another it may become an occasion to contact a specialist.
Changes in the sensitivity of the arms and legs may be due to various factors. An improper body position leads to unpleasant sensations. Usually numbness of this nature is accompanied by a slight tingling sensation. It passes within a short period of time when changing the position of the body. To prevent this condition, it is necessary to avoid uncomfortable postures when the limbs are heavily overloaded.
Numbness in the hands, the causes of which lie in the internal problems of the body, can be caused by a lack of vitamin B12. The participation of this valuable element in the metabolic processes taking place in the nerve fibers has a great effect on the functioning of blood vessels, the heart and on the reaction of muscle tissue to external stimuli. A decrease in the amount of vitamin B12 in the body below the norm causes a loss of sensitivity of the limbs and convulsions.
Numbness of the hands, the reasons for which can be found in pathologies of the spine, arises from a pinched nerve. So, for example, the symptoms of osteochondrosis are often expressed by aching pains in various areas of the body and loss of sensitivity of the limbs. Numbness of the hands, the causes of which often consist in prolonged work with a computer mouse, may be a consequence of carpal tunnel syndrome. The loss of sensitivity of the first three fingers of the hand occurs due to compression of the middle nerve. This type of numbness can end not only with tingling. Acute pain syndrome is also possible.
Tingling, burning, itching, as well as a feeling of tightening in the fingers and toes may indicate the presence of neuropathy, which is a lesion of the nervous system. Spontaneous pain is often accompanied by rheumatoid arthritis, diabetes, and multiple sclerosis.
Numbness of the hands, the reasons for which can be found in anxieties and fears, is provoked by hyperventilation. In this condition, superficial and rapid breathing is observed , which severely limits the supply of limbs with blood. As a result, the arms and legs lose their sensitivity, and weakness appears throughout the body.
Numbness of the extremities is accompanied by Raynaud's disease. This ailment, as a rule, is accompanied by paroxysmal disorders of blood supply to the arteries, which is manifested in the loss of sensitivity of the hands and feet. A symptom indicating the presence of this pathology is a slight blue on the skin of the fingers of the upper extremities, which occurs even with a slight cold, as well as with severe excitement.
Numbness of the hands and feet may result from obliterating endarteritis. This disease is accompanied by circulatory disorders, which causes rapid cooling of the limbs.
In the event that numbness appears periodically, it is necessary to consult a specialist for advice. The doctor, based on the results of the examination, will make an accurate diagnosis, establishing the cause of the uncomfortable phenomena, prescribe the appropriate course of treatment.