Pain Flashcards
this type of pain occurs when sensory nerves (nocipetors) identify tissue damage
nociceptive pain
What is the treatment for mild pain (score 1-3)
non-opioid +/- adjuvant
What is the treatment for moderate pain? (score 6-4)
opioid for mild-moderate pain
+- non opioid
+- adjuvant
What is the treatment for severe pain?
opioid for moderate-severe pain
+- non opioid
+- adjuvant
APAP reduces pain and fever but it does not provide _____ effect
anti-inflammatory
inhibition of PG synthesis
Brand: Ofirmev
generic: APAP
What ist he recital suppository for APAP?
FeverAll
What is the pediatrics dose <12y
10-15mg/kg Q4-6H
infants –160mg/5mL
What is the antidote for APAP overdose?
NAC/Acetadote
How does NAC/Acetadote work?
restores hepatic glutathione
administered IV or PO
What nomogram uses the serum APAP Level and the time since ingestion to determine whether hepatoxocity is likely (and for the need of NAC)?
rumack-matthew nomogram
When should a pregnant patient not use an NSAID to avoid premature closing of the ductus arteriosus?
third trimester
IV NSAIDS can be used within 14 days of birth to close a patient ductus arteriosus (PDA)
Brand: Caldolor
generic: ibuprofen
OTC dosing for ibuprofen adults
200-400mg Q4-6H
peds: 5-10mg/kg/dose Q6-8h
What are the side effects of all NSAIDs?
dyspepsia, abdominal pain, nausea
What NSAID should you avoid in psych patients?
Indomethacin (Indocin) high risk for CNS side effects
Wit the Ketorolac nasal spray when the patient is <65, how is it administered?
in EACH nostril (prime five times before use)
> 65, in one nostril
What is the MAX duration of ketorolac in adults?
5 days
warnings - acute renal failure, liver failure
This COX2 selective NSAID has a contraindication for sulfa allergy
celecoxib
highest cox 2 selectivity
Brand: Voltaren
generic: diclofenac
What is the total body max of dicloenac per day? (for gel)
32g/day
patch is applied BID
What is arthrotec?
diclofenac + misoprostol – used to replace the gut protective PG to decrease GI risk (also used for abortions)
Brand: Mobic
generic: meloxicam
What is the cardio protection dose for aspirin?
81-162mg once daily
Methyl salicylate is a popular OTC topical found in what agents?
Bengay
Icy Hot
Salonpas
What is an example of non-acetylated salicylates?
Mg salicylate (Doans)
What if a patient is taking ibuprofen for pain and aspirin for protection? How should they take their doses?
aspirin one hour before or eight hours after ibuprofen
NSAIDs can increase the level of
lithium and methotrexate
Which opioids should you not consume alcohol with?
Kadian
Nucynta ER
oxymorphone ER
Zohydro
FATAL OVERDOSE
Where do opioids act?
mu receptor agonists
Which opioids have REMS?
ALL!
What are side effects of all opioids?
constipation
n/v
somnolence
dizziness/lightheadedness
respiratory depression
What control is codeine tablets?
CII
What control is codeine tablet/capsule combinations products?
CIII
What control is codeine oral solution combination products?
CV
Do not use codeine in children
in tonsillectomy/adenoitecomy surgery
<12
<18
Brand: Sublimaze
generic: Fentanyl
Brand: Actiq
generic: fentanyl oral trans mucosal lozenge
A patient was newly started on opioids. when can they start using the fentanyl patch?
a patient who has been using 60mg/day or equivalent for at least 7 days can be converted to a fentanyl patch
Can a fentanyl patch be covered with an adhesive or dressing?
only with Bioclusive or tegaderm
Where do you dispose a fentanyl patch?
toilet
Brand: Lorcet, Lortab
generic: hydrocodone IR + APAP
Which opioid has a BBW for initiation of CYP3AF inhibitors due to a potential fatal overdose?
hydrocodone IR and ER
oxycodone
fentanyl
methadone
Dosing for hydromorphone
2-4mg Q4-6H PRN
IV: 0.2-1mg Q2-3H PRN
Due to variability, this opioid is hard to dose safely
methadone
also, QT!!!
Brand: Demerol
generic: meperidine
* serotonergic
not really used anymore
What can be used with morphine to block histamine induced pruritus
benadryl
Brand: Kadian
generic: morphine ER
which opioid do you take on an empty stomach?
oxymorphone (Opana)
What is morphine IV/IM (in mg)
10mg
What is morphine PO (in mg)
30mg
What is hydromorphone IV/IM
1.5mg
what is hydromorphone PO in mg
7.5
when converting opioids, do you round up or down?
down! to reduce OD
after calculating the 24 hour dose of the new drug, how much do you reduce it by?
25% for cross tolerance
The common drugs in the same chemical class that cross-react with each other have ____ or ____ in the name
cod or morph
codeine, hydrocodone, oxycodone, morphine, hydromorphone, oxymorphone, buprenorphine, heroin -diacetyl-morphine
if using opioids - what formulation should you start with?
IR - start low and go slow
what is the first line treatment for OIC?
stimulant laxatives (including Senna) with or without a stool softener
bisacodyl
If laxatives are not sufficient, specific medications for IOC that counteract the effects of the opioid receptor in the gut can be used - called
PAMORAs
- methylnaltrexone (Registro)
- naloxogel (Movantik)
Brand: Amitiza
generic: lubiprostone
* can be used after trial of laxatives or PAMORAs
Tramadol control
C-IV
What opioid?
- seizure risk
- risk of serotonin syndrome
- do not use with MAO inhibitors (14 days)
- requires conversion to active metabolite by CYP2D6
tramadol
tapentadol
- cross reactivity, if allergy to one, allergy to the other
- caution with seizures!!!
What control is tapentadol?
CII
At what dose of an opioid would a patient require naloxone?
greater than or equal to 50 morphine milligram equivalent dose
What opioid abuse detterant is an agonist at low doses and an antagonist at high doses?
buprenorphine
What is naloxone called as an auto injector?
Evzio - provides one dose
What is naloxone called as a nasal spray?
Narcan (a dose is in ONE nostril, may need to repeat in other)
naloxone - injection, repeat every 2-3 minutes
Buprenorphine control?
CIII
Brand: Butrans
generic: buprenorphine patch
How often does the patient change Butrans?
weekly
To prescribe for opioid dependence, a prescriber needs what waiver
DATA 2000 waiver
What are common adjutants for pain management?
muscle relaxants
AEDs (pregabalin, gabapentin)
antidepressants
topical anesthetics
Brand: Horizant
generic: gabapentin ER
used for PHN and restless leg syndrome
What are common side effects of gabapentin?
dizziness
somnolence
peripheral edema
What control is Lyrica?
CV
what are the side effects of Lyrica?
dizziness
somnolence
peripheral edema/weight gain
mild anxiolytic
*actually approved for indications
What is the only FDA approved medication for the treatment of trigeminal neuralgia?
carbamazepine (Tegretol)
Brand: Elavil
generic: amitriptyline
What are some SNRI and TCAs used as adjuvants
elavil
cymbalta
What are the oral adjuvants for musculoskeletal pain/spasms
baclofen
cyclobenzaprine
tizanidine
Brand: Zanaflex
generic: tizanidine
* dry mouth, hypotension
Brand: Amrix, Fexmid, Flexeril
generic: cyclobenzaprine
* dry mouth
Brand: Lioresal
generic: baclofen
antispasmodics that exert their effects by sedation
carisoprodol (Soma)
methocarbamol (Robaxin)
How long are lidocaine patches worn for?
up to 12 hours/day – 1-3 patches/day
Can you cut lidocaine patches?
yes!
How do you apply diclofenac gel?
use the reusable dosing card inside the package to correctly measure each dose
The dose for hands, wrists or elbows of diclofenac gel is ____ applied four times daily
2 grams
do not exceed 8g each day
*do not shower for at least one hour
The dose for feet, ankles or knees of diclofenac gel is ____ applied four times daily
4 grams
do not exceed 16g/day
*do not shower for at least one hour
Which opioid can be opened and the contents sprinkled on applesauce immediately before ingestion?
Kadian
Unless treating hand pain, wash hands thoroughly with soap and water immediately after use of this drug
capsaicin tropical
- if treating hands, wash after 30 mins