類鴉片止痛 Relief of moderate to severe pain, supplement to balanced anesthesia, pre-op and post- op analgesia; obstetrical analgesia during labor and delivery
藥理
Analgesic, Opioid Partial Agonist
Agonist of kappa opiate receptors and partial antagonist of mu opiate receptors in the CNS, causing inhibition of ascending pain pathways, altering the perception of and response to pain; produces generalized CNS depression
藥動學
1. Onset of action, Peak effect: (SubQ, IM) <15 minutes; (IV) 2 to 3 minutes
2. Duration of action: 3 to 6 hours
3. Protein binding: ~50%
4. Metabolism: Hepatic; extensive first-pass metabolism
5. Half-life elimination: (Children) 0.9 to 3.5 hours; (Adults) 5 hours
6. Excretion: Feces; urine (~7% eliminated as unchanged drug and metabolites)
禁忌症
Hypersensitivity to Nalbuphine Hydrochloride or any ingredients.
Pain management: IM, IV, SubQ
1. Usual 10 mg every 3 to 6 hours as needed (based on a 70 kg patient); may titrate dose to appropriate effect
2. Maximum: 20 mg/dose; 160 mg/day Surgical anesthesia supplement: IV
1. Induction: 0.3 to 3 mg/kg over 10 to 15 minutes
2. Maintenance: 0.25 to 0.5 mg/kg as required
小兒調整劑量
0.1-0.2 mg/kg every 3-4 hours as needed; MAX 20 mg/dose and/or 160 mg/day
腎功能調整劑量
There are no specific dosage adjustments provided in the manufacturer's labeling; however, a reduced dose is recommended.
肝功能調整劑量
There are no specific dosage adjustments provided in the manufacturer's labeling; however, a reduced dose is recommended.