I am a 22 years old (Male, Height 183, Weight 93).  I’ve been experiencing a tingling sensation that occurs in the hands and feet.  Knees felt weak so it’s difficult to stand at all. Then, after prolonged standing I felt tired to both feet. I have seen a doctor and was diagnosed with vitamin B12 deficiency. I was treated with vitamin B12 but it doesn’t help. The pain, tingling sensation, and weakness felt of the knees is still there. What could be the causes of this problem? Please help.


There may be a disorder of the brain or spinal cord, but this requires additional checks by Orthopaedic Specialist or Neurologist.

If it’s tingling sensation, it will be more likely that blood flow is not smoothly flow or weak nerves (neuropathy).

We recommend that you consult with a specialist for this problem.

Tingling generally is most often felt in the hands, feet, arms or legs. The causes include:

  1. Sitting or standing for a long time.
  2. Lack of blood flow to certain areas. For example, plaque buildup from atherosclerosis in the legs can cause pain, numbness, and tingling while walking.
  3. Pressure on the spinal nerves.
  4. Certain medical conditions, including diabetes, underactive thyroid, multiple sclerosis, seizures, migraine or regular headaches.
  5. Abnormal levels of calcium, potassium, or sodium in the body.
  6. Vitamin B-12 deficiency.

Dr. Kevin Yip Man Hing

Senior Orthopaedic Specialist at Gleneagles Medical Centre. #02-12 Gleneagles Medical Centre, 6 Napier Road, Singapore 258499, Tel: (65) 64762106

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