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When the median nerve passing through the carpal tunnel, a narrow passageway on the inner side of the wrist, becomes compressed, symptoms such as hand numbness, dulled sensation, and nighttime pain that wakes you from sleep appear. This condition is called carpal tunnel syndrome (median nerve compression). There are no symptoms in the pinky finger, and it is essential to differentiate this from similar conditions like cervical disc herniation and tenosynovitis. According to Severance Hospital Health Information, this condition affects approximately 4-5% of the total population, with 72% of patients being women, and people in their 40s and 50s accounting for 36% of all patients.

What is Carpal Tunnel Syndrome? — A Condition Frequently Asked About in Gangbuk and Suyu-dong

Carpal tunnel syndrome is a condition where the median nerve passing through the carpal tunnel, a narrow tunnel on the inner side of the wrist, becomes compressed, resulting in hand numbness, numbness, and pain. According to Severance Hospital Health Information (Yonsei University College of Medicine), this condition is not rare, affecting approximately 4-5% of the total population, and is particularly frequent in women and middle-aged and older adults. Related statistics show that 72% of patients are women and women in their 40s and 50s account for 36% of all patients.

A clinically important characteristic is that numbness symptoms do not appear in the pinky finger. This is because the sensory distribution range of the median nerve is limited to the thumb, index finger, middle finger, and ring finger on the thumb side. For this reason, if the entire hand is numb or if discomfort on the pinky finger side is the main symptom, other causes such as cervical disc herniation, ulnar nerve compression, and tenosynovitis should be considered first.

▪ Frequently Asked Questions

Are carpal tunnel syndrome and tenosynovitis different? Tenosynovitis is inflammation of the sheath surrounding tendons, with prominent pain during wrist or finger movement. Carpal tunnel syndrome is characterized by numbness and decreased sensation due to nerve compression, so the symptom patterns are different. However, since both conditions can occur together, differential diagnosis is necessary.

Why Hand Numbness Occurs — Structure and Causes of Median Nerve Compression in the Carpal Tunnel

To understand the cause of repeated hand numbness, it is necessary to first look at the structure called the carpal tunnel. The carpal tunnel is a narrow passageway on the front of the wrist through which the median nerve and several tendons pass together. When internal pressure within this passageway increases, blood flow to the median nerve decreases, and if ischemic conditions persist, this can lead to nerve fiber degeneration. The Korean Institute of Oriental Medicine's Carpal Tunnel Syndrome Korean Medicine Standard Clinical Practice Guidelines documents this pathophysiology with supporting evidence.

The causes of increased pressure within the carpal tunnel are diverse. MSD Manuals identify systemic diseases such as diabetes, rheumatoid arthritis, hypothyroidism, pregnancy, and obesity as major risk factors. When such underlying diseases are present, edema or structural changes in tissues around the carpal tunnel are more likely to occur.

For modern people, National Health Insurance Service Health Information points out that repetitive wrist movements from prolonged smartphone and computer use are also major triggering factors. If simple wrist muscle fatigue or temporary blood circulation problems are confused and neglected, the optimal timing for treatment can be missed, so if numbness symptoms repeat, differential diagnosis of the cause is necessary.

▪ Frequently Asked Questions

Does frequent smartphone use cause carpal tunnel syndrome? Repetitive wrist flexion movements can be a factor that increases pressure within the carpal tunnel. While it is difficult to definitively attribute carpal tunnel syndrome to heavy smartphone use as a single sole cause, the possibility of symptom development may increase when overlapping with other risk factors.

How Gangbuk Anjeong Korean Medicine Clinic Approaches Carpal Tunnel Syndrome

Korean medicine treatment can be evidence-based in all processes from prevention, diagnosis, and treatment to rehabilitation of carpal tunnel syndrome. The Carpal Tunnel Syndrome Korean Medicine Standard Clinical Practice Guidelines published by the Korean Institute of Oriental Medicine systematically organizes evidence for combined Korean medicine therapy including acupuncture. Additionally, in a case study of ultrasound-guided bee venom acupuncture treatment published by the research team at Dongguk University College of Korean Medicine in the SCIE international academic journal Frontiers in Medicine, the Nation's Medicine News reported that structural changes were confirmed along with relief of median nerve compression.

Gangbuk Anjeong Korean Medicine Clinic succeeds the clinical experience of the former Gwangduk Anjeong Korean Medicine Clinic Gangbuk Suyu branch, and provides meticulous care by combining skilled chuna therapy and high-concentration bee venom acupuncture tailored to individual symptoms.

The treatment approach organized by stage is as follows:

▪ Acupuncture Therapy: Performed in the direction of alleviating inflammatory responses around the median nerve and promoting blood circulation improvement. ▪ High-Concentration Bee Venom Acupuncture: As it does not contain steroid components, concerns about resistance with repeated procedures can be reduced, and it is used to regulate inflammatory responses around joints. ▪ Chuna Therapy: Supports recovery of structural alignment of the wrist joint to reduce pressure within the carpal tunnel. ▪ Customized Prescription on a Weekly Basis: The treatment direction is adjusted weekly while monitoring patient progress.

However, when nerve degeneration has progressed considerably, it is necessary to review with a specialist whether surgical treatment is needed. The treatment direction is determined by considering both the stage of symptoms and overall health status.

Is My Hand Numbness Carpal Tunnel Syndrome or Another Condition? — Differential Points You Should Check for Yourself

When you have hand numbness symptoms, there are points you can check for yourself first. According to MSD Manuals, the sensory distribution range of the median nerve corresponds to the thumb, index finger, middle finger, and ring finger on the thumb side, and the pinky finger is outside this range. Therefore, if numbness or decreased sensation appears mainly in these four fingers and there are no symptoms in the pinky finger, carpal tunnel syndrome can be considered as a primary possibility.

A simple method that can be used for self-screening is the Phalen's Test. Korea University Medical Center Health Information introduces this method as a self-screening tool to suspect carpal tunnel syndrome when numbness or numbness is reproduced when placing the backs of hands together and maintaining for 30 seconds to 1 minute. However, this cannot replace professional differential diagnosis and should only be used as a reference indicator.

If any of the following items apply, early visit is recommended.

▪ Numbness is concentrated in the range from thumb to ring finger with no symptoms in the pinky finger ▪ Repeated episodes of waking from sleep due to numbness or pain at night ▪ Numbness reproduced within 30 seconds in the Phalen's test ▪ Presence of systemic diseases such as diabetes, thyroid disease, or pregnancy ▪ Feeling that the muscles on the thumb side of the palm are becoming thin ▪ Using chopsticks or fastening buttons has become more inconvenient than before

Conversely, if numbness originates from the neck or shoulders or if the pinky finger area is the main area, cervical disc herniation, thoracic outlet syndrome, or ulnar nerve compression should be differentiated, and if pain only occurs when moving the wrist area, distinction from tenosynovitis is necessary.

If you are concerned about hand numbness at a Korean medicine clinic near Suyu Station, Gangbuk-gu, or Beondong, coming in with self-check results will help with more accurate differential diagnosis.

Neglecting Hand Numbness Can Lead to Loss of Strength — Why You Should Check Now in Suyu-dong, Gangbuk

It is easy to think of hand numbness in the early stages as temporary inconvenience, but missing the treatment window can result in longer recovery time. According to related reports, when treatment is started early, it is known that approximately 75% improve without surgery. On the other hand, The Carpal Tunnel Syndrome Korean Medicine Standard Clinical Practice Guidelines from the Korean Institute of Oriental Medicine specifies that when it becomes chronic, there is a risk of nerve fiber degeneration. As nerve fiber degeneration progresses, symptoms can extend beyond simple sensation loss to weakness on the thumb side and decreased gripping strength, making it important to check your condition in the early stages of symptoms.

Gangbuk Anjeong Korean Medicine Clinic near Exit 3 of Suyu Station begins consultations from 8 AM every day, 365 days a year, and you can conveniently visit through Naver reservations. If hand numbness is leading to inconvenience in your daily life, check your condition in a private treatment environment with customized prescriptions on a weekly basis. Individual lifestyle management guidance based on eight-constitution diagnosis is also provided, which can be helpful for those who want to combine treatment and daily management. If you have hand numbness that repeatedly wakes you at night, now is the time to check your condition.

Hand Numbness and Nighttime Pain — Frequently Asked Questions When You're Curious if It's Really Carpal Tunnel Syndrome

Q1. How do you distinguish carpal tunnel syndrome from simple wrist muscle pain?

Simple muscle pain mainly appears with movement or pressure, and relatively quickly improves with rest. In contrast, carpal tunnel syndrome is centered on numbness and numbness, and characteristically, symptoms are worse at night and improve temporarily when shaking the hand. Neurological differential diagnosis is necessary for accurate distinction.

Q2. Even my pinky finger is numb—do I have carpal tunnel syndrome?

The median nerve compressed in carpal tunnel syndrome handles the thumb, index finger, middle finger, and ring finger on the thumb side, with the pinky finger outside this range. If the pinky finger is also numb, other causes such as ulnar nerve compression (cubital tunnel syndrome) or cervical disc herniation should be considered together. Professional differential diagnosis is needed rather than self-judgment.

Q3. Can I check at home with the Phalen's test (placing backs of hands together)?

When placing the backs of both hands together and holding the wrist at a right angle for 30 seconds to 1 minute, if numbness or numbness is reproduced, you can suspect carpal tunnel syndrome. However, this is a self-screening reference tool, and carpal tunnel syndrome cannot be completely ruled out even if symptom reproduction does not occur. Professional consultation for confirmation is recommended.

Q4. Are pregnant women and diabetic patients also prone to carpal tunnel syndrome?

During pregnancy, increased body fluid and edema can increase pressure within the carpal tunnel, raising the possibility of carpal tunnel syndrome development. Diabetic patients have vulnerable nerves themselves, so symptoms tend to appear earlier. The same caution applies to those with hypothyroidism or rheumatoid arthritis.

Q5. At what stage is it appropriate to receive Korean medicine treatment?

The potential for Korean medicine treatment is high in the early to intermediate stage where there is numbness and decreased sensation but no significant muscle weakness or nerve degeneration. Acupuncture, bee venom acupuncture, and chuna therapy can be performed together for inflammation relief and structural approaches. However, when muscle weakness is prominent or nerve degeneration has progressed considerably, it is appropriate to review with a specialist whether surgical treatment is necessary.

⚠️ This content complies with Article 56 of the Medical Service Law, and results may vary depending on individual conditions.