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UAB SPA - Test V Drugs
Test V Drugs
24
Medical
Graduate
04/29/2012

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Term
What is Physiologic Pain?
Definition
Pain we typically think of. Warning pain. Trauma pain.
Term
What is inflammatory Pain?
Definition
Occurs when tissue is injured.
You may not see inflamed tissue, but you can feel it.
Term
What is Neuropathic Pain?
Definition
Usually occurs from nerve damage associated with Dz or trauma. Presents after the Dz presence or cure.
Burning, tingling, loss of sensation
Term
What is Dysfxn Pain?
Definition
Will occur with no stimuli or insult to the nervous system. Considerable pain.
Tension HA or fibromyalgia.
Term
What are the Psychological Aspects of Chronic Pain?
Definition
Depression is most commonly associated with chronic pain. Sometime dual meds for depression/pain can be given.
Term
What are Nociceptors?
Definition
Primary sensory neurons.
Respond to thermal, mechanical and chemical pain.
Term
What are Endorphins?
Definition
Naturally occurring analgesics that suppress the pain response.
Term
Discuss Opioids
Definition
ACTION: Interact with pain receptors in the CNS, nerve terminals in the periphery, respiratory and GI centers
CLINICAL USE: Acute and Chronic pain; Cough suppression
Term
What are the SE of Opioids?
Definition
N/V, euphoria and confusion, sedation, constipation, miosis, **respiratory depression, cough reflex suppression
Term
Morphine
Definition
-Naturally occurring Opioid
-GI absorption slow and erratic.
-PCAs common
-Rapidly enters all body tissues
-SE: Tolerance and physical dependence; withdrawal symptoms
Term
Codeine
Definition
-Naturally occurring Opioid
-Well absorbed orally
-Converted to morphine in the circulation
-CLINICAL USE: excellent cough suppression; Tylenol + Codeine
Term
Hydrocodone
Definition
-Semi-synthetic Opioid
-Short acting agent
-Combine with Tylenol = Lortab
-CLINICAL USE: acute pain post-op--10-15 days; used in combo with oxycodone for "breakthrough pain"
Term
Oxycodone
Definition
-Semi-synthetic Opioid
-Short and Long acting preparations
-Combo with Tylenol = Percocet; WARNING: don't give to pt w/ liver Dz because of acetaminophen
Term
Methadone
Definition
-Synthetic Opioid
-Well absorbed orally
-CLINICAL USE: Equally as potent as morphine but with less euphoria; **useful for drug addiction Tx
-SE: can increase QT interval
Term
Fentanyl
Definition
-Synthetic Opioid
-100 X more potent than morphine
-IV form: rapid with short duration; transdermal formulation: 72 hrs (takes 24 hrs to kick in, need to cover with another agent)
-CLINICAL USE: good for pt who cannot swallow
Term
Meperidine
Definition
-Synthetic Opioid
-Well absorbed in GI; short acting
-Converted to normeperidine in the liver
-CLINICAL USE: acute pain; rigors associated with infusion rxn of AmphoB
-SE: dilates pupils; lowers the seizure threshold following large or repetitive doses
Term
What are ASA, Ibuprofen, Naproxan, Indomethacin, Diclofenac, Keterolac and Meloxicam?
Definition
-NSAIDs: COX1 and COX 2 Inhibitors
-Inhibit the action of cyclooxygenase enzymes
-Decrease prostaglandin production and decrease inflammation
-CLINICAL USE: Anti-inflammation; Analgesia; Antipyrexia
-SE: N/V (take with food to help); GI bleeding; Kidney injury (can induce acute renal failure)
Term
What is Celecoxib?
Definition
-NSAIDs: COX-2 (selective) Inhibitors
-SE: Cardiac abnormalities
-->Only one still on the market
Term
What is Acetaminophen?
Definition
-Reduces central prostaglandin synthesis
-Conjugated in the liver to inactive metabolites
-CLINICAL USES: Analgesia; Antipyrexia
-DOSAGES: -MAX DAILY: 4000 mg (divided) over 24hrs
->4000 causes liver problems
-MAX FOR RENAL PTs: 2000 mg (divided) over 24
SE: normally well tolerated; Hepatic necrosis/failure
Term
What is Tramadol?
Definition
-Centrally acting; Binds to mu-opioid receptors
-Weakly inhibits NE and 5HT reuptake
-DOSING: 2X/Day max for renal/hepatic Dz pts; NOT CONTROLLED; Can get a 12 month Rx
-CLINICAL USE: Acute and Chronic Pain
-SE: Lower seizure threshold; Serotonin syndrome
Term
What is Amitriptyline?
Definition
-Tricyclic Antidepressant
-Block Na+ channels; Increase anti-nociceptive norandrenergic and serotonergic activity (centrally)
-CLINICAL USE: Neuropathic pain
-SE: Hypotension; Arrhythmias (main cause of death from O/D); Sedation; Anticholinergic effects (N/V, dry mouth, constipation, urinary retention)
Term
What is Duloxetine?
Definition
-Serotonin Receptor Agonist
-Inhibits NE and 5HT reuptake transporters
-CLINICAL USE: Neuropathic pain, fibromyalgia pain; Great for pt with pain AND depression
-SE: HTN; GI distress
Term
What is Gabapentin?
Definition
-True mechanism is unknown
-Inhibition of high-voltage-activated (HVA) Ca++ channels
-Inhibits excitatory NT release
-CLINICAL USE: Neuropathic pain (commonly from diabetic neuropathy); fibromyalgia
-SE: Mild CNS effects; Wide range of dosing, well tolerated
Term
What is Pregabalin?
Definition
-Inhibits excitatory NT release
-CLINICAL USE: Neuropathic pain (commonly from diabetic neuropathy); fibromyalgia
-SE: drowsiness; wt gain; blurred vision; peripheral edema
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