Hello sir.. 3 year before i had a accident.. and i...

Dear Customer
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Why do you have itching even after your bones healed already ?
this medical condition is cause by nerve damage that happened during the fracture , and it can unrelated to your fraction after it heals 
What to do next ?
1. consult a neurology doctor as soon as possible 
2. do the needed test such as :
- physical examination 
- X-ray 
- nerve conduction study 
What is the possible treatment ?
- the primary treatment are :
1. topical antihistamine medication
2. topical corticostiroids 
- if your medical condition presisited :
1. topical inhibitors of neuronal excitability injections 
2. systemic ( orally ) inhibitors of neuronal excitability medications 
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Kind Regards