Dezocine (Dalgan - Astra), a new synthetic opioid agonist/antagonist structurally related to pentazocine (Talwin), was recently approved for parenteral use as an analgesic by the US Food and Drug Administration.

Belbuca (Endo), a buccal formulation of the partial opioid agonist buprenorphine, has been approved by the FDA for management of pain severe enough to require daily, around-the-clock, long-term opioid treatment. Buprenorphine is also available as a transdermal patch (Butrans) and in a parenteral formulation (Buprenex, and generics) for treatment of pain. A sublingual formulation of buprenorphine and buccal and sublingual formulations containing buprenorphine and the opioid antagonist naloxone are approved for use as alternatives to methadone for treatment of opioid...

The FDA has approved the marketing of buprenorphine in sublingual tablets (Reckitt Benckiser) both alone (Subutex) and with naloxone (Suboxone) for treatment of opioid dependence. Previously available only for parenteral use in treatment of pain (Buprenex, and others), it offers an alternative to methadone (Dolophine, and others), which is now often abused (New York Times, February 9, 2003; page 1). As a schedule III narcotic, buprenorphine will be subject to fewer prescribing restrictions than a schedule II drug such as methadone (MJ Kreek and FJ Vocci, J Subst Abuse Treat 2002;...

Acute toxic reactions to drugs of abuse continue to be important problems. Some patients may have mixed intoxications with complex combinations of signs and symptoms.

A new CDC guideline for prescribing opioids for pain recently became available. Nonopioid drugs for pain were reviewed in a previous issue.