Pain Flashcards

1
Q

Nociceptive pain

A

When sensory nerves identify tissue damage

-visceral and somatic

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2
Q

Visceral pain

A

Injury to internal organs

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3
Q

Somatic pain

A

Injury to the skin, muscles, bones, or ligaments

Musculoskeletal

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4
Q

Pathophysiological pain

A

Damage or malfunction of the nervous system

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5
Q

Acetaminophen MOA

A

Thought to inhibit PG synthesis in CNS, resulting in decreased pain impulse generation

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6
Q

REMS

A

Risk Evaluation and Mitigation Strategy

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7
Q

COX1 or COX2 - which one protects gastric mucosa

A

COX1

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8
Q

_________ is an irreversible COX1 inhibitor

A

Aspirin

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9
Q

Ibuprofen max dose

A

OTC: 1.2g/day
Rx: 3.2g/day

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10
Q

Naproxen max dose

A

1000mg/day (BID dosing)

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11
Q

Highest COX2 selectivity NSAID

A

Celecoxib

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12
Q

COX2 selective NSAIDs risks

A

Decrease GI risk, Increase MI/stroke risk

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13
Q

COX2 selective NSAIDs

A
Celebrex
Diclofenac
Etodolac
Meloxicam
Nabumetone
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14
Q

Opioid MOA

A

Mu receptor agonists in the CNS, which primarily produce pain relief, but also euphoria and resp depression

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15
Q

Centrally-Acting Opioid Antagonists

A

Naloxone

Naltrexone

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16
Q

Codeine age CI

A

Less than 18yrs

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17
Q

Fentanyl patch dosing interval

A

q72hrs, can be q48hrs

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18
Q

Fentanyl pre-requirement of pt

A

NOT opioid-naive

-must have been using morphine 60mg/day or equivalent x7 days

19
Q

Breakthrough pain dosing range

A

5-17% of total daily dose

20
Q

Morphine 60mg/day = ______ fentanyl patch

21
Q

Opioid equivalents PO

A

Morphine 30mg
Hydromorphone 7.5mg
Codeine 200mg

22
Q

Opioid Equivalents IV/IM

A

Morphine 10mg
Hydromorphone 1.5mg
Codeine 130mg

23
Q

Methadone dosing

A

If used for pain, dosed 2-3x/day

24
Q

Peripherally-acting mu-opioid receptor antagonists (PAMORAs)

A

Blocks opioid receptors in the gut to decrease constipation w/o affecting analgesia
-methylnatrexone (Relistor)
-naloxegol (Movantik) take in AM on an empty stomach
D/C all laxatives prior to use

25
Mu receptor agonists and NE reuptake inhibitors
Tramadol - max 300/400mg day - inhibits reuptake of serotonin too Tapentadol (Nucynta) -decrease seizure threshold
26
Buprenorphine is a ________ mu-opioid agonist
PARTIAL - agonist @ low doses (tx pain) - antagonist @ high doses (tx addiction)
27
Buprenorphine/naloxone MOA for each
Buprenorphine suppresses withdrawal sx | Naloxone helps prevent misuse
28
If prescribing buprenorphine for opioid dependency, need
Data waiver. The DEA will then issue a unique number starting with "X"
29
How do TCAs and SNRIs work in neuropathic pain
Block NE uptake
30
Antispasmodics (muscle relaxants) with analgesic effects
Baclofen Cyclobenzaprine (dry mouth) Tizanidine (decrease BP, dry mouth)
31
Antispasmodics (muscle relaxants) that exert effects by sedation
Methocarbomol (decrease BP) | Carisoprodol (Soma) C-IV
32
Triptans MOA
Selective agonists for the 5-HT1 receptor and cause vasoconstriction by inhibiting neuropeptide release
33
Triptans SE
Tingling/numbness, CP/tightness, dizziness, dry mouth, drowsiness
34
Triptan for children
Rizatriptan
35
Longest half-life triptans (26hrs)
Frovatriptan | Naratriptan
36
To prevent med-overuse (rebound HAs)
Limit acute tx to 2-3x/week at most (10-15 days a month)
37
When to use prophylactic tx for migraines
If using acute tx greater than or equal to 2 days/wk, or greater than or equal to 3x/month
38
Uric acid crystals are an end-product of _______ metabolism
Purine
39
Foods to avoid for gout
Organ meats, alcohol, high-fructose corn syrup, fruit juices, shellfish, sardines
40
Drugs than increase uric acid
ASA (low dose) Diuretics Niacin Calcineurin inhibitors
41
Xanthine Oxidase inhibitors
Allopurinol Febuxostat -use with colchicine or an NSAID for first 3-6 months
42
Allopurinol DI
Antacids decrease absorption And take after a meal to decrease N
43
Uricosurics for gout
Inhibit uric acid resorption and increases excretion - lesinurad (Zurampic) HAVE TO USE WITH ALLOPURINOL OR FEBUXOSTAT - probenacid
44
Tumor lysis syndrome
Complication of chemo - purines released into the blood = gout attack - tx allopurinol