One of the most common cause of numbness/freezing of hand is hypocalcemia.
Recurrence of the same problem points towards dietary deficiency of
calcium(your daily dietary intake of calcium is less).
Yes, there are also many other causes for the numbness of limbs.
Next Steps
Get these investigation done:
1)
Complete blood count
2)Serum
Calcium.
3)
Liver and
kidney function test.
4)
Thyroid function test.
Health Tips
Take diet rich in
calcium like milk, cheese, yogurt,seafood, leafy greens, legumes, dried fruit, etc.