Naltrexone is a med used in the treatment of opiate and prescription opioid addiction because it stops the activity of opioids. It is also used in the management of alcohol dependence as it appears to decrease the addict's desire to consume alcohol. Naltrexone can either be administered daily by tablet, or there is an extended-release injection that can be given once per every four weeks, although the injection can cost up to $1,100 a month.
The difference between Naltrexone and other medications used to treat opiate addiction is that unlike Methadone which is an agonist and is very similar to heroin, Naltrexone is an opiate antagonist, and blocks the effect of opioid medications. Someone who has been off all opioid medications for 7-10 days can begin taking Naltrexone, but they will have to stop taking all other opioid medications while taking the drug. This would include taking Methadone or similar maintenance therapy medications, due to the fact that being treated with Naltrexone along with these types of meds can cause sudden withdrawal symptoms.
Naltrexone is meant to be used in conjunction with a full Haverhill treatment program which would include counseling, behavioral modification, lifestyle changes, and compliance monitoring.
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