Numbness in Left Hand and Occipital Area: Causes and Insights

Numbness in the back of the head and tingling in the left hand?

The left hand has been feeling numb for several days, and tonight the back of the head suddenly feels numb as well.
I would like to know what could be causing this.

Ke, 20~29 year old female. Ask Date: 2021/06/06

Dr. Jiang Junyi reply Neurology

Dear Ms.
Ke,
You may need to consider cervical nerve root compression, which is often related to tightness in the cervical muscles and fascia, as well as cervical degeneration.
Symptoms typically include pain at the affected site, discomfort, muscle stiffness, and possibly neurological sensations.
Symptoms may worsen in the morning or with changes in weather, but can be alleviated with stretching activities, and often recur.
During acute episodes, there may be localized muscle tension and spasms, leading to restricted movement.
When the intervertebral disc compresses the nerves between the fourth and fifth cervical vertebrae, it can cause shoulder and neck pain, while compression between the sixth and seventh cervical vertebrae may lead to symptoms of tingling and weakness in the fingertips.
However, if these episodes recur frequently, it may be necessary to consider specific symptoms of multiple sclerosis.

The Lhermitte sign, which is characterized by an electric shock-like sensation in the shoulders or arms when the neck is flexed, may indicate increased sensitivity of demyelinated nerves.
Additionally, as a young female, it is important to rule out any autoimmune or metabolic issues.
For nerve repair, it is recommended to supplement with B vitamins and ensure adequate sleep.
I suggest consulting a neurologist for further examination and treatment; however, due to the recent surge in COVID-19 cases, it is advisable to wait until the situation stabilizes before visiting a hospital for evaluation.
Please also practice self-protection measures, including cleaning and disinfection, and adhere to new pandemic prevention guidelines before and after your medical visit.
Thank you for your inquiry.
If you have any further questions, feel free to discuss them!
Wishing you good health and peace.
Dr.
Jiang Junyi, Taoyuan Medical Center

Reply Date: 2021/06/06

More Info

Numbness in the left hand and the occipital area can be concerning and may arise from various underlying causes. Understanding the potential reasons for these symptoms is crucial for appropriate management and treatment.
Firstly, numbness in the left hand can be attributed to several factors, including nerve compression, poor circulation, or systemic conditions. One common cause is carpal tunnel syndrome, where the median nerve is compressed as it passes through the wrist. This condition often presents with numbness, tingling, or weakness in the hand, particularly affecting the thumb, index, and middle fingers. Another possibility is ulnar nerve entrapment, which can cause numbness in the ring and little fingers.
Additionally, cervical radiculopathy, which occurs when a nerve in the neck is compressed or irritated, can lead to numbness radiating down the arm into the hand. This condition can be caused by herniated discs, bone spurs, or degenerative changes in the cervical spine.
The occipital numbness you are experiencing could be related to tension headaches or migraines, which can cause referred sensations in the head and neck area. Occipital neuralgia, characterized by sharp, shooting pain or numbness in the back of the head, could also be a potential cause. This condition arises from irritation or injury to the occipital nerves, which can be triggered by muscle tension, trauma, or other factors.

Systemic conditions such as diabetes, multiple sclerosis, or vitamin deficiencies (particularly B12) can also lead to numbness in various body parts, including the hands and occipital region. Peripheral neuropathy, often associated with diabetes, can cause a range of sensory disturbances, including numbness and tingling.

Given the duration and nature of your symptoms, it is essential to seek medical evaluation. A healthcare provider may recommend diagnostic tests such as nerve conduction studies, electromyography (EMG), or imaging studies like MRI or CT scans to assess for any underlying issues.
In terms of treatment, addressing the underlying cause is key. For nerve compression syndromes, conservative management may include physical therapy, splinting, or corticosteroid injections. In more severe cases, surgical intervention may be necessary to relieve pressure on the affected nerves. If systemic conditions are identified, managing those through medication, lifestyle changes, or dietary adjustments will be crucial.

In conclusion, numbness in the left hand and occipital area can stem from various causes, including nerve compression, systemic conditions, or muscular issues. It is vital to consult a healthcare professional for a thorough evaluation and appropriate management to alleviate your symptoms and prevent further complications.

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