Dezocine is a partial opiate drug and is used for pain management. Dezocine is a very effective alternative to fentanyl when administered during outpatient laparoscopy, although is associated with an increased incidence of postoperative nausea.
Indication
Indicated in the treatment of moderate to severe pain.
Pharmacology
Dezocine is a parenteral narcotic analgesic possessing both agonist and antagonist activity. It is similar to morphine with respect to analgesic potency and onset and duration of action. The narcotic antagonist activity is greater than that of pentazocine.
Toxicity
Symptoms of overdose include cold and clammy skin, confusion, nervousness, or severe restlessness, convulsions (seizures), severe dizziness, severe drowsiness, low blood pressure, pinpoint pupils of eyes, slow heartbeat, slow or troubled breathing and severe weakness.
Affected Organisms
Humans and other mammals
Biotransformation
Hepatic, via conjugation (glucuronidation).
Absorption
Rapid and complete following intramuscular administration.
Half Life
Elimination half-life following intramuscular administration averages 2.2 hours. Elimination half-life following a 5mg intravenous dose averages 1.7 to 2.6 hours (range 0.6 to 4.4 hours) while a 10mg dose averages 2.4 to 2.6 hours (range 1.2 to 7.4 hours). In patients with hepatic cirrhosis, the half-life is increased by 30 to 50%.
