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Subutex vs. Suboxone: What’s the Difference?

Subutex and Suboxone are drugs that were approved by the FDA in 2002 for the treatment of opioid dependence.  Both drugs contain the active ingredient buprenorphine, a semisynthetic opioid that acts as primarily as a partial mu-opioid receptor agonist.  Buprenorphine also acts as an antagonist at the kappa and delta opioid receptors. Buprenorphine’s mechanism of …

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