Numbness in hands refers to a loss of sensation or feeling, often accompanied by other changes such as tingling, prickling, or weakness. This condition can result from various factors, including nerve damage, poor blood circulation, or certain medical conditions such as diabetes, carpal tunnel syndrome, or vitamin deficiency. It is characterised by an inability to feel physical touch or temperature changes, which can affect daily activities and grip strength. Medical consultation is advised to diagnose the underlying cause and determine appropriate treatment, as numbness can be a more serious health issue symptom.

Causes of Numbness in Hands

There are several causes of numbness in hands; let us understand these in detail.

Peripheral Neuropathy: Damage to the peripheral nerves often results in numbness, particularly in the hands. This condition can be caused by diabetes, infections, or exposure to toxins.
Carpal Tunnel Syndrome: Numbness, tingling, and weakness in the hand and fingers are caused by the compression of the median nerve within the wrist's carpal tunnel.
Cervical Spondylosis: Degeneration of the cervical spine can compress nerves leading to the hands, causing numbness and tingling.
Vitamin B12 Deficiency: Vitamin B12 deficiency can cause nerve degeneration and numbness in the hands.
Raynaud’s Disease: This condition causes the small arteries in the hands and fingers to narrow, reducing blood flow and resulting in numbness.
Stroke or Transient Ischaemic Attack (TIA): These serious conditions can result in numbness on one side of the body, including the hands.
Multiple Sclerosis (MS): MS can affect the brain and spinal cord nerves, leading to symptoms such as numbness in the hands.
Alcoholism: Chronic alcohol consumption can lead to nerve damage, resulting in hand numbness.
Frostbite: Exposure to extreme cold can damage skin and underlying tissues, leading to numbness in the affected areas.
Systemic Diseases: Conditions such as lupus, rheumatoid arthritis, and hypothyroidism can cause symptoms including numbness in the hands.

Treatment for Numbness in Hands

There are different ways of treating numbness in hands, from medications to physical therapy.

Medical Evaluation: It is crucial to undergo a comprehensive medical assessment to identify the root cause of numbness in the hand. This could include conducting blood tests, nerve conduction studies, and utilising imaging methods.
Medication: Depending on the diagnosis, doctors may prescribe medications to treat underlying conditions, reduce inflammation, or alleviate pain and discomfort.
Physical Therapy: Engaging in targeted exercises can improve strength, flexibility, and hand nerve function. A physical therapist can tailor exercises to individual needs.
Ergonomic Adjustments: For conditions like carpal tunnel syndrome, ergonomic modifications to workspaces and daily activities can alleviate pressure on nerves and reduce symptoms.
Vitamin Supplementation: If numbness is caused by a deficiency, such as a lack of Vitamin B12, supplements can help alleviate symptoms.
Lifestyle Changes: Quitting smoking, limiting alcohol use, and controlling stress can enhance blood flow and nerve health, hence minimising numbness.
Surgical Intervention: In cases where structural abnormalities or severe nerve compression are the causes, surgery may be necessary to relieve pressure on the nerves.
Warm Compresses: Applying warmth can improve blood circulation, which may sometimes help alleviate numbness.
Splinting or Bracing: Wearing a splint or brace at night helps alleviate symptoms of certain diseases, such as carpal tunnel syndrome.
Pain Management Techniques: In some cases, treatments such as acupuncture, massage, or biofeedback can help manage symptoms associated with hand numbness.

Conclusion

Numbness in the hands is a symptom that can arise from various underlying causes, including peripheral neuropathy, carpal tunnel syndrome, and systemic diseases, among others. Correct diagnosis is crucial for successful treatment, which may vary from pharmaceuticals and physiotherapy to modifications in lifestyle and surgical procedures, contingent upon the origin. Individuals experiencing numbness in the hand must seek expert medical consultation to guarantee proper care and avert possible issues.

References:

https://www.healthline.com/health/numbness-in-hands
https://my.clevelandclinic.org/health/symptoms/17824-numbness-in-hands