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Causes of persistent limb numbness may include the following:

1. Diabetes

Diabetes causes high blood sugar, which can lead to nerve damage. As a result, people with diabetes may experience constant numbness in the feet, and this condition is known as diabetic neuropathy.

2. Deficiency of vitamins

Deficiency of Vitamin E, Thiamine, Vitamin B6, Pyridoxine, Vitamin B12, or Niacin may cause numbness in the hands and feet.

As these vitamins are important for the function and health of nerves, and vitamin B12 deficiency may lead to peripheral neuropathy, which causes constant numbness in the extremities.

3. Pregnancy

One of the causes of continuous limb numbness in women is pregnancy, as the pressure of the uterus on the nerves of the legs of a pregnant woman may increase during the growth of the fetus, and this in turn causes a feeling of continuous limb numbness.

This feeling can often be described as being like pins and needles.

Staying hydrated, changing your posture and resting with your feet elevated can help relieve numbness.

4. Alcoholism

Alcoholism contributes to alcohol polyneuropathy, as a result of a deficiency of vitamin B1 and some essential vitamins resulting from a lack of proper nutrition.

In addition, alcohol itself can cause nerve tissue damage, and thus is one of the causes of numbness in the hands and feet.

5. Infection with some diseases that cause numbness

One of the reasons for continuous limb numbness is infection with one of the following diseases:

Kidney disease.

Liver disorders.

Damage to blood vessels, blood disease.

The occurrence of connective tissue disorders.

Chronic infections.

Having hormonal disorders.


The presence of benign tumors affecting the nerves.

6. Autoimmune diseases

As some autoimmune diseases are among the causes of continuous limb numbness, and these diseases include the following:

Chronic inflammatory demyelinating polyneuropathy.

Rheumatoid arthritis.

7. Nerve injury

A neck injury may cause numbness anywhere along the arm or hand, while a lower back injury can cause numbness or tingling down the back of the leg.

As for the causes of numbness of the other continuous limbs

There are many other possible causes that could be one of the causes of numbness in the hands, feet, arms, or even the legs, as follows:

Sitting or standing in the same position for a long time.

infection, such as:

What is known as the ring of fire.

Human Immunodeficiency Virus (AIDS).




Pressure on the nerves of the spine, such as: herniated disc.

Folic acid deficiency.

Lack of blood supply to the extremities, as in the case of atherosclerosis, frostbite, or vasculitis.

Abnormal levels of calcium, potassium, or sodium in the body.

Use of certain medications.

Nerve damage caused by lead, tobacco, or chemotherapy drugs.

Radiation therapy.


Carpal tunnel syndrome, which causes pressure on a nerve in the wrist.


Multiple Sclerosis.


brain attack.

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