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Less sensation in middle finger
I am feeling less sensation in my middle finger of left hand from last 2 days. I am vegetarian. Is it a case of deficiency of vitamin b12? As i experienced this condition earlier also ,3 years ago. That time i was given injections of vitamin b12 as i my feet fingers were feeling less sensation.
Answers (14)
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Diminished sensation limited to one finger is more related to digital nerves,it's unlikely related to vit b 12 deficiency . however as you are a vegetarian with previous b 12 deficiency, repeat the vitamin b 12 level
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Isolated numbness in just the middle finger of one hand is usually caused by localized nerve irritation—such as median nerve compression (early Carpal Tunnel Syndrome) or a cervical nerve issue (C7 radiculopathy)—rather than systemic Vitamin B12 deficiency alone. While your vegetarian diet places you at high risk for recurring B12 deficiency (which previously affected both feet), systemic neuropathies typically present symmetrically in both hands or feet rather than a single digit. However, a low B12 level can make peripheral nerves more vulnerable to localized pressure and slow down their recovery.
Next Steps
Avoid repetitive wrist bending, resting your wrist on hard desk edges, or awkward sleeping postures, and consider wearing a simple neutral wrist splint at night. Get your serum Vitamin B12 and basic metabolic panel tested to evaluate if your dietary stores have dropped again. Please book an online consultation with me so we can test the specific sensory distribution across your hand and determine if localized nerve testing or supplementation is needed.
Health Tips
Do not start taking random high-dose supplements or self-injecting B12 before testing, as this masks accurate laboratory readings and delays finding the true mechanical cause. Pay close attention if you develop hand weakness, loss of grip strength, or numbness spreading into the thumb and index finger, as these are signs of worsening nerve compression. Since B12 is found primarily in animal products, strict vegetarians generally require planned dietary fortification or maintenance oral supplements to prevent recurring nerve vulnerability.
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Need proper evaluation please consult for assessment and treatment
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Hello mam
Vitamin B12 deficiency is possible, especially with a vegetarian diet and previous similar episodes, but reduced sensation in one finger can have other causes such as nerve compression. Please check serum B12 and blood glucose and get a clinical neurological examination. Avoid starting injections without confirming the cause
For further evaluation and guidance, you may consult me through Practo
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Get blood sugar, serum b12,levels tested and share results.
Take tab neurobion one morning and one evening for 30 days.
Tab pregabalin 75mg morning for 10 days one every evening.
Consult online for further guidance.
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Consult NOW
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Vitamin B12 deficiency is possible, but sudden numbness in one finger is more often due to local nerve compression or irritation at the hand, wrist or neck. It cannot be diagnosed from symptoms alone. If it persists, worsens, or is associated with weakness, please get examined promptly. I can assess you through a Practo consult or at Synergy Multispeciality Hospital, Miraj.
Next Steps
Avoid prolonged pressure on the wrist or elbow and arrange an examination; a B12 test may be needed based on your history.
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kindly do connect and consult with me for better treatment plan and advice on your case via PRACTO app
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Most it will be treated after taking B12 injection as B12 injection should be taken on regular intervals for persons getting deficient again and again.
Potential Causes:
1. Recurrent Vitamin B12 Deficiency: Can cause peripheral neuropathy, though it typically presents symmetrically in the lower extremities first rather than a single finger [1, 2].
2. Peripheral Nerve Compression: Entrapment of the median nerve (such as in carpal tunnel syndrome) can cause numbness specifically in the middle finger.
3. Cervical Radiculopathy: A pinched nerve root in the neck (C7) can refer sensory loss down the arm into the middle finger.
Next Steps
Do B12 test and then do treatment otherwise you May have neuropathy or nerve compression
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Numbness in your middle finger, especially as a vegetarian who's had this before and needed B12 injections, does point toward vitamin B12 deficiency again.
Health Tips
Get a B12 blood test to confirm the level before restarting injections, and see a doctor sooner if numbness spreads to more fingers or your feet.
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Dr. Vetsa Sri Krishna Chaitanya
General Physician
7 yrs exp
Rajahmundry
Need a few more details please consult for further evaluation and treatment
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Dr. Anuj Mothsra
General Practitioner
7 yrs exp
Jhunjhunu
Can help you, kindly consult and provide detailed history for proper diagnosis and further management
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Ms. Yashasvi Ashok Sonkusale
General Physician
Thane
Yes given the history of Vitamin B 12 deficiency it is very likely that it is the same.
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Disclaimer : The content is not intended to be a substitute for professional medical advice, diagnosis, or treatment. Always seek the advice of your physician or other qualified health provider with any questions you may have regarding your medical condition. Never disregard professional medical advice or delay in seeking it because of something you have read on this website.