Rogers Pain Part 1 Flashcards
Role of pharmacists in treatment of pain
-Assessment of pain
-Recommend OTC medications
-Refer patients to prescribers
-Recommend initial prescription analgesics to providers
-Educate patients on analgesic therapy
-Evaluate safe and effective use (abuse, side effects, etc.)
-Adjust medication therapy based on response
What questions would you want to ask to subjectively assess a patient’s pain?
-Palliative or precipitating factors
-Quality of pain
-Region of pain location
-Severity
-Time-related nature of pain
-Impact of pain on you
-What have you tried to control the pain?
Objective information to assess pain
-Behavioral changes
-Physiological changes
Examples of physiological changes when someone is in pain
-Dilated pupils
-Paleness
-Sweating
-Tachycardia
-Tachypnea
What are the different pain intensity scales?
-Verbal
-Numeric
-Visual
-Wong-Baker
Types of pain
-Acute (less than 3 months)
-Chronic (more than 3 months)
Types of chronic pain
-Nociceptive (tissue)
-Neuropathic (nerve)
-Mixed (tissue and nerve)
Goals of therapy
-Correct underlying cause of pain if possible
-Minimize pain and symptoms from pain/injury (may not be possible to be free of pain)
-Improve quality of life (QOL) and activities of daily living (ADLs)
-Limit pharmacotherapy side effects
Patient factors to consider when selecting an analgesic
-Hepatic/renal function
-Past medical history
-Previous analgesic therapy
-Routes for medication administration
-Type of pain (neuropathic vs nociceptive)
-Severity of pain
Medication factors to consider when selecting an analgesic
-Allergies
-Cost
-Drug-drug interactions
-Duration of action/dosing frequency
-Potency
-Routes of administration
-Side effects
Types of non-pharmacologic therapy
-Physical manipulation
-Heat or ice
-Massage
-Acupuncture
-Exercise
Step 1 of the WHO analgesic treatment ladder
-Non-opioid
-+/- adjuvant analgesic
Step 2 of the WHO analgesic treatment ladder
-Opioid for mild-moderate pain
-+ non-opioid
-+/- adjuvant analgesic
Step 3 of the WHO analgesic treatment ladder
-Opioid for moderate-severe pain
-+ non-opioid
-+/- adjuvant analgesic
When do you move up the WHO analgesic treatment ladder?
Step up if pain is persisting or increasing
When do you step down the WHO analgesic treatment ladder?
Step down if pain is resolving or toxicity occurs
What non-opioid analgesics are used as primary treatment?
-Acetaminophen
-NSAIDs
What non-opioid analgesics are used as adjunct treatment?
-Gabapentinoids
-Serotonin-norepinephrine reuptake inhibitors (SNRIs)
-Tricyclic antidepressants (TCAs)
-Skeletal muscle relaxants
-Antiepileptics
-Topical agents
What properties does acetaminophen have?
Analgesic and antipyretic
Available formulations of acetaminophen
-Tablet
-Capsule
-Chewable tablet
-Liquid/gel
-IV solution
-Suppository
Recommended dosing for acetaminophen for adults
-325-1000mg PO Q4-6H PRN
-Max dose: 3-4g/day
Recommended dosing for acetaminophen for pediatrics
-10-15mg/kg PO Q4H PRN
-Max dose: 75mg/kg/day or 3-4 g/day
Side effects of acetaminophen
Hepatotoxicity (acute liver failure most likely 10g or more dose)
What is the strength of a regular acetaminophen tablet?
325mg