There can be various causes for your problem of numbness and swelling of hands-
- diabetes
- underactive thyroid gland
- calcium deficiency
- vitamin B12 deficiency
- alcohol or tobacco toxicity
I would advise you to consult your doctor and get a thyroid function test and blood sugar levels done, followed with supplementation of the thyroid hormone if need be. In the meantime take calcium supplements and good calcium rich diet like milk, cheese, curd etc.
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Regards
Dr. Gupta

