|
| U.S. Brand
Names |
|
| Dalgan® |

|
|
| Generic
Available |
|
|
No |

|
|
| Pharmacological Index |
|
|
Analgesic, Narcotic |

|
|
| Use |
|
|
Relief of moderate to severe postoperative, acute renal and ureteral colic,
and cancer pain |

|
|
| Pregnancy Risk
Factor |
|
|
C |

|
|
| Contraindications |
|
|
Patients experiencing immediate type hypersensitivity reactions (anaphylaxis)
to dezocine or structurally related compounds should not receive this drug. Use
of other central nervous system depressants concurrently to dezocine is
contraindicated. |

|
|
| Warnings/Precautions |
|
|
Use with caution in patients with head injuries or increased intracranial
pressure, respiratory depression, asthma, emphysema, COPD, renal or hepatic
disease, labor and delivery, biliary surgery, or in patients with a history of
drug abuse; abuse potential is apparent; may be better tolerated than other
opioid agonist-antagonist; does not affect cardiac performance; contains
bisulfites, avoid use in those sensitive to bisulfites |

|
|
| Adverse
Reactions |
|
|
1% to 10%:
Central nervous system: Sedation, dizziness, vertigo
Gastrointestinal: Nausea, vomiting
Local: Injection site reactions
<1%: Hypotension, palpitations, bradycardia, peripheral vasodilation,
increased intracranial pressure, CNS depression, drowsiness, antidiuretic
hormone release, constipation, biliary tract spasm, urinary tract spasm, miosis,
respiratory depression, histamine release, physical and psychological dependence
with prolonged use |

|
|
| Overdosage/Toxicology |
|
|
Symptoms of overdose include CNS and respiratory depression, gastrointestinal
cramping, constipation
Naloxone 2 mg I.V. (0.01 mg/kg for children) with repeat administration as
necessary up to a total of 10 mg |

|
|
| Drug
Interactions |
|
|
Increased effect with CNS depressants |

|
|
| Stability |
|
|
Store at room temperature; protect from light |

|
|
| Mechanism of
Action |
|
|
Binds to opiate receptors in the CNS, causing inhibition of ascending pain
pathways, altering the perception of and response to pain; produces generalized
CNS depression; it is a mixed agonist-antagonist that appears to bind
selectively to CNS m and D
opiate
receptors |

|
|
| Pharmacodynamics/Kinetics |
|
|
Onset of analgesia: Within 15-30 minutes
Peak effect: 1 hour
Duration of analgesia: 4-6 hours
Half-life: 2.6-2.8 hours
Metabolism: Glucuronidated in liver
Elimination: Excretion of inactive metabolites and unchanged drug in the
urine |

|
|
| Usual Dosage |
|
|
Adults (not recommended for patients <18 years):
I.V.: Initial: 2.5-10 mg; may be repeated every 2-4 hours as needed
Dosing adjustment in renal impairment: Should be used cautiously at
reduced doses |

|
|
| Monitoring
Parameters |
|
|
Monitor blood pressure and heart rate during adjustment of
dose |

|
|
| Mental Health: Effects
on Mental Status |
|
|
Sedation is common; may see depression |

|
|
| Mental Health:
Effects on Psychiatric
Treatment |
|
|
Contraindicated with other CNS depressants |

|
|
| Dental Health: Local
Anesthetic/Vasoconstrictor
Precautions |
|
|
No information available to require special precautions |

|
|
| Dental Health:
Effects on Dental Treatment |
|
|
No effects or complications reported |

|
|
| Patient
Information |
|
|
Avoid driving or operating machinery until the effect of drug wears off; may
cause physical and psychological dependence with prolonged
use |

|
|
| Nursing
Implications |
|
|
Watch closely for respiratory depression; induced respiratory depression is
greater than that seen with morphine during the first hour after
administration |

|
|
| Dosage Forms |
|
|
Injection, single-dose vial: 5 mg/mL (2 mL); 10 mg/mL (2 mL); 15 mg/mL (2
mL) |

|
|
| References |
|
|
"Drugs for Pain," Med Lett Drugs Ther, 1998, 40(1033):79-84.
|

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Copyright © 2007 Drugs Area
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