What are the causes of numbness of the hands

Hands numbness

Numbness of the hands can be described as a loss of feeling in the hand or fingers, and is often accompanied by a tingling feeling that resembles the prickling of pins and needles, and the sufferer may feel weakness in the arm, hand, or fingers. It is worth noting that numbness may affect one nerve in one of the hands, and it may occur by affecting it symmetrically in both. ^[1]

Causes of numb hands

Hand numbness usually occurs as a result of irritation, damage, or pressure on a nerve or its branches in the arm and wrist. Among the diseases that affect the peripheral nerves are diabetes, which can cause the feeling of numbness in the feet as well, and in uncommon cases, the cause of numbness can be problems in the brain or spinal cord, which usually causes weakness in the arm and hand. When resorting to the doctor, he always asks for a detail of the symptoms that the patient suffers in order to diagnose his condition and determine the cause of the numbness . There are many causes for numb hands , and some of them are explained below: ^[2]

• Amyloidosis: which occurs when abnormal proteins called amyloids accumulate in the body's organs such as the kidneys and the heart, thus causing stiffness of the organs, and affecting their ability to function in the correct way. ^{[2] [3]}
• Injury brachial plexus: representing the network of nerves that send signals from the spine to the shoulder, arm, hand, and spoke injury brachial plexus when it expands these nerves, or compressed, or in the most serious cases when exposed to rupture and separation from The spinal cord. Minor humeral plexus injuries are symptoms of numbness and weakness in the arms. ^[4]
• Carpal tunnel syndrome: Carpal tunnel syndrome occurs as a result of compression of a nerve in the carpal tunnel, which is a narrow passage found in the inside of the wrist, and this condition causes a person to feel numbness and tingling in the hand and arm, and other symptoms. ^[5]
• Cervical spondylosis: , a general term expresses the corrosion that occurs with aging spinal discs in the neck, which is very common and is getting worse with age; As more than 85% of people over the age of 60 suffer from cervical spondylosis, which causes a person to develop numbness and weakness of the limbs, loss of ability to control the bladder, and other symptoms. ^[6]
• Sacculation lumpy: is a non - cancerous lumps often appear along the tendons or joints of the wrists or hands, as they may occur in the ankles and feet. These nodes are usually round or oval with a diameter of not more than 2.5 cm, and filled with jelly fluid, and symptoms include pain, numbness, and may cause muscle weakness. ^[7]
• Guillain-Barré syndrome: is a rare disorder in which the immune attacks nerve system, usually his first symptoms of weakness and tingling in the limbs eventually evolve into paralysis. ^[8]
• AIDS: It is a chronic and potentially life-threatening condition that occurs as a result of infection with HIV , in which the virus interferes with the body's ability to fight the organisms that cause disease by damaging the immune system. It is considered a sexually transmitted disease, and it can also be transmitted through contact with the blood of the infected person or from mother to child during pregnancy, childbirth or breastfeeding. ^[9]
• Lyme disease: Lyme disease is caused by the bacterium Borrelia burgdorferi transmission to humans through the bite of an insect tick infected. Symptoms of infection include fever, headache, fatigue, numbness of the hands, and is characterized by the appearance of a rash called Erythema migrans, and if the patient is left untreated, the infection may spread to the joints, heart, and nervous system. One of the steps to prevent Lyme disease is to use an insect repellant and to remove the tick immediately. ^{[10] [2]}
• Multiple Sclerosis: also known as plaque sclerosis , which occurs as a result of attacking the immune system to sheath protection called Palmialin that covers nerve fibers, leads to an imbalance in the communication between the brain and the rest of the body, and may cause the deterioration of nerve function Or permanent damage to it in the end. ^[11]
• Paraneoplastic syndromes of the nervous system: It is a group of uncommon disorders that develop in some people with cancer. It occurs when parts of the immune system responsible for cancer resistance attack parts of the brain, spinal cord, and peripheral nerves. Muscles. It can affect other organs including the endocrine glands, skin, blood, and joints. ^[12]
• Peripheral neuropathy: sends the nervous system peripheral information from the brain and spinal cord , which form the central nervous system for the rest of the body. Peripheral neuropathy is caused by damage to the peripheral nerves due to exposure to infections or toxins, metabolic problems, and genetic factors. Diabetes is one of the most common causes of peripheral neuropathy. ^[13]
• Raynaud 's disease: occurs Raynaud 's disease due to the narrowing of the small arteries that supply the skin with blood, limiting the access of blood circulation to the affected areas Kosaba hands and feet, resulting in that feeling numb and cold when exposed to cold temperatures or stress, it is more common In women. ^[14]
• Sjogren 's syndrome: is considered autoimmune in which the immune system attacks the disorders of the body 's cells are wrong, and symptoms of the most common incidence of eye dryness, dry mouth, and may cause them to feel Balkhaddran and numbness , usually associated with other immune system such as chronic disorders Rheumatoid arthritis and lupus erythematosus . ^[15]
• Spinal cord injury: Damage to any part of the spinal cord or nerves at the end of the spinal canal, and it often causes permanent changes in strength, sensation, and other body functions below the site of the injury. ^[16]
• Stroke : A stroke occurs because the blood supply to a part of the brain is interrupted or severely reduced, depriving brain tissue of oxygen and nutrients, so brain cells begin to die within minutes. ^[17]
• Syphilis: is a bacterial infection usually transmitted through sexual contact, where the disease begins Kegrahp painful usually appear on the genitals, or rectum, or mouth, and transmitted syphilis from person to person through contact with skin or mucous membranes with these sores It is one of the diseases that may cause numbness in one or both hands, in addition to many other symptoms. ^{[2] [18]}
• Pressure ulnar nerve: ulnar nerve is one of the three main nerves in the arm, and extends from the neck to the hand and can put pressure on the nerve occurs in several places along the road that runs in, such as the bottom of the collar bone or wrist The most common site of nerve compression is behind the inner part of the elbow. ^[19]
• Vasculitis: Inflammation of the blood vessels causes changes in the walls of blood vessels, including thickening, narrowing, and weakening of their walls, and it may lead to scarring, and these changes may limit blood flow, causing damage to organs and tissues. ^[20]
• Other causes: Vitamin B-12 deficiency, side effects of chemotherapy, and alcohol use disorder.

See a doctor

It is worth noting the need to see a doctor or obtain emergency medical care in the event of sudden numbness , especially if it is accompanied by difficulty speaking, feeling dizzy or severe headache, or if the numbness is accompanied by a feeling of confusion and weakness, or paralysis, and the person is also advised to visit the doctor If the numbness spreads and affects other organs. ^[21]

References

1. ↑ "Numbness in hands" , www.mayoclinic.org , Retrieved 12-30-2017 . Edited.
2. ^ ^{A b t w} "Numbness In a hands" , Www.mayoclinic.org , Retrieved 30-12-2017. Edited.
3. ↑ "Amyloidosis" , medlineplus.gov , Retrieved 30-12-2017. Edited.
4. ↑ "Brachial plexus injury" , www.mayoclinic.org , Retrieved 12-30-2017. Edited.
5. ↑ "Carpal tunnel syndrome" , www.mayoclinic.org , Retrieved 12-30-2017. Edited.
6. ↑ "Cervical spondylosis" , www.mayoclinic.org , Retrieved 12-30-2017. Edited.
7. ↑ "Ganglion cyst" , www.mayoclinic.org , Retrieved 12-30-2017 . Edited.
8. ↑ "Guillain-Barre syndrome" , www.mayoclinic.org , Retrieved 12-30-2017. Edited.
9. ↑ "HIV / AIDS" , www.mayoclinic.org , Retrieved 12-30-2017. Edited.
10. ↑ "Lyme Disease" , www.cdc.gov , Retrieved 30-12-2017. Edited.
11. ↑ "Multiple sclerosis" , www.mayoclinic.org , Retrieved 12-30-2017. Edited.
12. ↑ "Paraneoplastic syndromes of the nervous system" , www.mayoclinic.org , Retrieved 12-30-2017. Edited.
13. ↑ "Peripheral neuropathy" , www.mayoclinic.org , Retrieved 12-30-2017. Edited.
14. ↑ "Raynaud's disease" , www.mayoclinic.org , Retrieved 12-30-2017. Edited.
15. ↑ "Sjogren's syndrome" , www.mayoclinic.org , Retrieved 12-30-2017. Edited.
16. ↑ "Spinal cord injury" , www.mayoclinic.org , Retrieved 12-30-2017. Edited.
17. ↑ “A Stroke” , www.mayoclinic.org , Retrieved 12-30-2017. Edited.
18. ↑ "syphilis" , www.mayoclinic.org , Retrieved 30-12-2017. Edited.
19. ↑ "Ulnar Nerve Entrapment at the Elbow (Cubital Tunnel Syndrome)" , www.orthoinfo.aaos.org , Retrieved 12-30-2017. Edited.
20. ↑ "vasculitis" , www.mayoclinic.org , Retrieved 12-30-2017. Edited.
21. ↑ "Symptoms Numbness in hands" , www.mayoclinic.org , Retrieved 12-30-2017 . Edited.