Withdrawals from this medication are severe since they are of the opiate family of medications. 240 mg chewed is quite a lot to be on. For withdrawal symptoms on this go here. And Here.
Studies of this medication and brain damage have not been properly notated nor researched however, I would suggest that you go to this site for information on risk.
This medication is one of Americas number one killers at this time for abused prescribed medications. If I may further assist you then let me know please.
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