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What are the reasons for numbness of the right hand

Where the hands contain a group of the most sensitive touch receptors in the body, and all of these receptors are connected to the brain through a network of nerves, and when a nerve of these nerves or a section of them is injured, the brain may not receive all the sensory information from the hands and this results in what is called numbness of the hands. The numbness of the hands is a common and annoying symptom, and it can be simple and temporary, as is the case when pressing on nerves due to placing the head on the hands during sleep, for example, and this feeling similar to needle pricking ends after removing the cause of the existing pressure.

Causes of numbness of the hands:

There are many causes that lead to numbness of the hands, and some of them can be explained as follows:

 Numbness of the hands may be a sign of stroke, and although this is not a strong possibility, it is present, and it is necessary to seek medical help in the event of any of the other symptoms such as numbness or sudden weakness in the hand or foot, especially if It is on one side of the body, problems with speaking or understanding of others, confusion, sudden problems with vision, a sudden feeling of dizziness or lack of balance, and suffering from severe and sudden headaches, in these cases the rapid medical intervention is very important to reduce the permanent damage that could be Infect a person or even save his life.

 Lack of minerals or vitamins:

The human body needs vitamin B12 to keep the nerves in a healthy state, and its deficiency can lead to numbness in the hands and feet, and a lack of potassium and magnesium can lead to numbness, and other symptoms associated with vitamin B12 deficiency are weakness and fatigue, and yellowing of the skin. And problems with walking and balance, difficulty in thinking, and hallucinations.

 Side effects of some types of medicines:

As it is possible that nerve damage may occur as a side effect associated with the use of some medicines, including antibiotics such as; Metronidazole, anti-cancer and anti-seizure medicines such as; Phenytoin, and heart or pressure medications such as; Amiodarone.

 Multiple sclerosis:

Where it is considered a disease that affects the brain and spinal cord, and numbness is considered one of the first symptoms of it, and sometimes people suffer from numbness before diagnosing multiple sclerosis, and the symptoms include vision problems, pain, physical fatigue, dizziness, loss of balance, in addition to the impact of the bladder, cognitive imbalance, impotence .

Slipped disc:

As cartilage is the soft substance that separates the vertebrae of the spine, and damage to these cartilage causes compression and irritation in the nerves of the spine, which leads to numbness and weakness in the hands or feet, and carpal tunnel syndrome, which is one of the most common causes of numbness of the hands. Where the middle nerve, which extends below the forearm to the hand, is confined to the wrist, and leads to numbness in the hands, and other symptoms associated with this syndrome are the feeling that one or more of the fingers is swollen or has numbness, and when not treating the problem for a long time, the process Surgery may be necessary to relieve nerve involvement.


Where diabetes, or lack of control, leads to a disorder of the peripheral nerves, and a feeling of numbness and tingling occurs in the hands or fingers.