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Pharm- opiates
MSK week 1
43
Medical
Graduate
08/21/2018

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Cards

Term
Which receptor has the most prominent analgesic properties?
Definition
Mu
Term
How do opioids essentially work?
Definition
Inhibiting periphery nociceptive input
Term
How do we suppress cough w/ opiates?
Definition
Codeine- depresses cough reflex center in medulla
Term
What is a hallmark clinical sign of opiate overdose?
Definition
Pinpoint pupils (miosis)
Term
How do opiates cause itching?
Definition
Histamine release
Term
True or false- pts build tolerance to constipation effects of opiates
Definition
False
Term
Cardiac adverse effects of opiates?
Definition
Hypotension, bradycardia
Term
Symptoms of true opiate allergy?
Definition
Angioedema, bronchospasm, severe hypotension/shock
Term
Which opiates are considered full agonists?
Definition
Codeine, fentanyl, heroin, morphine, hydromorphone, oxymorphone, hydrocodone, oxycodone, methadone
Term
Which opiates are partial agonists?
Definition
Buprenorphine
Term
Which drug is an opiate antagonist?
Definition
Naloxone (narcan; used to treat OD)
Term
Which opiates are natural phenanthrenes?
Definition
Morphine, codeine
Term
Which opiates are synthetic phenanthrenes?
Definition
Oxycodone, hydrocodone, oxymorphone, hydromorphone
Term
Which opiates are phenylpiperidines?
Definition
Meperidine, fentanyl
Term
Which opiate is a diphenylheptane?
Definition
Methadone
Term
How is codeine metabolized?
Definition
In liver: glucuronidation to codeine-6-glucuronide; CYP2D6 to morphine (active metabolite)
Term
What schedule drug is codeine?
Definition
C-III; w/ tylenol: C-IV
Term
Ultra-rapid codeine metabolizers have a mutation in which allele?
Definition
CYP2D6
Term
What schedule drug is morphine?
Definition
C-II
Term
What is the trade name for immediate release hydromorphone?
Definition
Dilaudid
Term
What are the trade names for the different formulations of Oxycodone?
Definition
Immediate release: roxicodone
Extended release: oxycontin
W/ acetaminophen: percocet
Term
What is the active metabolite of oxycodone?
Definition
oxymorphone
Term
Is fentanyl bioavailable?
Definition
No; no oral formulations- typically administered transdermally
Term
MOA of methadone
Definition
Mu-receptor agonist; MAOi; blocks NMDA receptor
Term
Methadone adverse fx
Definition
QT prolongation; seizures
Term
Which opiate has the greatest seizure potential?
Definition
Tramadol
Term
What is the generic bowel regimen for opiate users?
Definition
Stimulant laxative (senna) + stool softener (docusate)
Term
What schedule drug is tramadol?
Definition
C-IV
Term
What schedule drug is buprenorphine?
Definition
C-III
Term
Which opiate should we potentially avoid in patients with renal impairment?
Definition
Morphine
Term
Equianalgesic conversion
Definition
1) Determine 24-hr requirement
2) Convert to new opiate via ratio
3) Reduce 24-hr dose by 25-50%
4) Breakthrough pain coverage: 10% of 24-hr dose q4-6hr
Term
What does schedule I mean and what are examples?
Definition
No currently accepted medical use in US; high potential for abuse. (Heroin, MDMA, LSD, marijuana)
Term
What does schedule II mean and what are examples?
Definition
High potential for abuse; legal to prescribe but w/ strict federal regulations. (Most opiates, cocaine, pentobarbital)
Term
Can refills be written on a C-II scrip?
Definition
No
Term
Is there a time limit on filling a C-II scrip?
Definition
No; pharmacists use your judgment
Term
Can a C-II scrip be faxed over?
Definition
No; a hard copy must be presented, except for pts at long-term care facilities
Term
How frequently do C-II scrips need to be reviewed in the hospital setting?
Definition
Qweek
Term
Examples of C-III?
Definition
Ketamine, dronabinol, codeine
Term
Examples of schedule IV?
Definition
Benzos
Term
How many refills can be written for C-III to V?
Definition
5
Term
How long after C-III to V scrip is written til it expires?
Definition
6 months
Term
How often does C-III-V scrip need to be reviewed in hospital setting?
Definition
Qmonth
Term
Symptoms of opioid withdrawal
Definition
Rinorrhea, lacrimation, yawning, chills, goosebumps, hyperventilation, mydriasis (dilated pupils), muscle aches, diarrhea, anxiety, hostility, N/V, tremor
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