Analgesics: Narcotics Flashcards
What is the MOA of narcotics?
Act as mu-opioid receptor agonists
-alter the perception and response to pain centrally and peripherally
Which narcotics also inhibit reuptake of norepinephrine?
Modifies the ascending pain pathway
-also are mu- agonists
Tramadol
Tapentadol
Which narcotic is a mu-agonist with weak kappa-antagonist activity?
Buprenorphine
Which narcotics are partial agonists of mu- and kappa-receptors?
- butorphanol
- nalbuphine
What are contraindications of narcotics?
Severe respiratory disease / depression, including:
-acute asthma (unless patient is mechanically ventilated)
Paralytic ileus
What are black box warnings of narcotics?
Serious life-threatening / fatal respiratory depression may occur
-monitor closely for respiratory depression
—especially during initiation / dose escalation
Opioids expose patients to risks of addiction, abuse, and misuse
- potentially leading to overdose / death
- assess each patient’s risk prior to prescribing
- monitor all patients regularly for developing of these behaviors / conditions
Accidental ingestion can result in fatal overdose
- even one dose of an opioid
- especially in children
What is the black box warning for opioid use in pregnancy?
Prolonged use during pregnancy can result in neonatal withdrawal syndrome
-may be life threatening if not recognized and treated according to protocols developed by neonatology experts
What are common members of the narcotics class?
- buprenorphine
- fentanyl
- hydromorphone
- methadone
- hydro/oxycodone
- tramadol
- tapentadol
What are uncommon members of the narcotics class?
- alfentanil
- butorphanol
- codeine
- levorphanol
- meperidine
- nalbuphine
- opium tincture
- oxymorphone
- pentazocine
- remifentanil
- sufentanil
What are brand names of buprenorphine?
- Buprenex
- Belbuca
- Probuphine
- Butrans
- Subutex
What are the dosage forms of buprenorphine?
- injection
- TD patch
- buccal film
- SC implant
- SL tablet
What is buprenorphine used for?
- management of pain severe enough to require ATC, long term opioid treatment and for which alternative treatment options are inadequate
- opioid dependence
- opioid withdrawal in heroin-dependent hospitalized patients
What pregnancy category is buprenorphine?
C
What is buprenorphine dosing for pediatric acute pain (moderate-severe) for children 2-12 years?
IM, slow IV: 2-6 mcg/kg every 4-6 hours
What is buprenorphine dosing for adults, usual dose?
0.15-0.6mg every 4-8 hours PRN
What is buprenorphine dosing for adults, acute pain?
0.3mg IM/IV every 6-8 hours PRN