Causes of numb hands, including vitamin deficiency and Raynaud’s disease

Many of us feel numbness or tingling in the hands or fingers, this may be normal, but sometimes these sensations are caused by diseases, injuries or other medical problems, and there is a simple way to determine whether the cause is sick or not, which is rubbing the arms, hands and fingers It is unlikely that there is an underlying problem if symptoms improve, but if they persist, there may be damage, irritation or pressure on the nerves, according to the website. “facty”.

Causes of numb hands

Raynaud’s disease

Raynaud’s disease can affect people who live in cold climates or who have other risk factors. It causes the smaller arteries that supply blood to the skin to narrow, resulting in reduced circulation to the fingers, hands or feet. This has a range of effects, although the most common is tingling or numbness in the hands or feet.

Individuals with Raynaud’s disease may notice that their fingers change from white to blue to red when exposed to cold. Some people with Raynaud’s disease have another underlying health problem, such as an autoimmune disease, that causes these symptoms.

Vitamin deficiency

Usually, a person develops a vitamin deficiency when they do not receive enough nutrients through their diet or have problems absorbing vitamins. Many vitamins are important for proper nerve health, including vitamins B1 And B6 And B12 And E. Among them, vitamin deficiency B12 More serious because it can lead to serious neurological problems, the first effects are usually strange sensations such as tingling and numbness in the extremities, muscle weakness and problems with balance.

carpal tunnel syndrome

One of the most common problems affecting the hands is carpal tunnel syndrome, which causes symptoms such as pain, numbness and tingling in the hand and wrist..

A person develops carpal tunnel syndrome when the carpal tunnel narrows, putting pressure on many tendons and the median nerve, providing feeling for most of the fingers..

Tingling and numbness are usually the early symptoms, and numbness may initially occur only during sleep.


Some medications list hand and finger numbness as possible side effects. Sometimes, these problems are transient and will go away without needing a doctor’s attention. However, it may also be a sign that the medications are causing nerve damage. This is most common in chemotherapy, HIV treatment, anti-infective drugs, and some blood pressure or heart medications may also be responsible..

Rheumatoid arthritis

While most forms of arthritis mainly affect the joints, rheumatoid arthritis (RA) It can damage additional body systems. As a result of an autoimmune disorder, rheumatoid arthritis results from the immune system attacking its own tissues. In addition to its various effects, inflammation can put pressure on the nerves, numbness and tingling due to this pressure are some of the first symptoms.

Lyme disease

Lyme disease can cause strange sensations in the fingers and hands. Individuals who live in grassy areas or dense forests are more likely to get Lyme disease because this is where the disease-causing tick grows..

spinal cord injury

A system of vital nerves passes through the spine, which means that spinal cord injuries often lead to serious and debilitating problems. A spinal cord injury can have a lasting effect on strength, sensation, and a person’s ability to function.

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