Why Is My Thumb Going Numb?

Answer

Some of the reasons why your thumb might be going numb are lack of blood supply or damage to a nerve. This can be triggered by an infection, inflammation, trauma as well as multiple sclerosis and peripheral neuropathy.
Q&A Related to "Why Is My Thumb Going Numb"
Carpel tunnel or nerve damage will often cause this. Go see a doctor.
http://wiki.answers.com/Q/What_causes_the_thumb_an...
cold weather/or you mayhave recently knocked it/poor circulation or yu may have Raynaud's disease(doubtful i fthere aren't any other signs) To be on the safe side see ur local quack
http://answers.yahoo.com/question/index?qid=201002...
Raynaud's disease, a blood vessel skin disorder, causes blood vessels to narrow, restricting blood flow and causing finger numbness. Sheldon G. Sheps, M.D. former chair of the Hypertension
http://www.ehow.com/facts_5879099_fingers-going-nu...
If it hasn't been injured, the other causes could be carpel
http://www.chacha.com/question/if-your-thumb-is-nu...
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