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Hi there,This is Dr Basu, experienced Internal Medicine Specialist.I am here to address your concerns and provide great service.
This is due to the nerve and blood vessel injury from the rubber band pressure.
May take several hours before regaining normal sensation.
Avoid any heavy activities for now.
You can use a wrist brace to immobilize the injured nerve.
Please go to the ER to check out the blood flow if possible.
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