Lecture 14 & 15 : Social Aspects And Clinical Assessments & Pharmaceutical care of Pain Flashcards
What are the different medications given for pain based on the WHO ladder?
- Mild Pain: Non-opioid (paracetamol) + adjuvant therapy (additional to usual)
- Mild to moderate Pain: Weak opioid (codeine/ tramadol) + non-opioid + adjuvant therapy
- Moderate pain: Strong opioid + non-opiod + adjuvant
What is Fibromyalgia?
- Chronic primary pain: Widespread pain across the whole body (esp back and neck)
- Causes severe fatigue, poor sleep, aching and stiffness and flare ups
- Sensitisation - lower pain threshold
What is the difference between primary and secondary chronic pain?
- Primary - no underlying condition that explains pain e.g. Fibromylagia
- Secondary - Underlying condition that explains pain e.g. cancer, osteoarthritis
What are things that should happen when a flare up in pain occurs?
- Offer re-assessment if change in symptoms
- Review
- Can consider investigations to identify source of new pain
What non-drug therapies are recommended for Chronic primary pain?
- Group excerise programmes
- Acceptance and commitment therapy or cognitive behavioural therapy
- Single course of acupunture
What are some pharmacological treatments that can be given for chronic primary pain?
- Antidepressant
- Amitrytiline, Citalopram, Duloxetine, Fluoxetine
What are some medicines to not start in Chronic primary pain for a patient?
- Anti epileptics - Gabapentinoids
- Anti-psychotics
- Benzodiazepines - addicting
- NSAIDs
- Opioid
What is the evidence against some analgesics: Cannabis based, opioids, Benzodiazepines, NSAIDs
- Cannabis based: No evidence, short term ADRs
- Opioids: No evidence w/ over 6 months, increased risk of dependence
- Benzodiazepines: Dont work and are addictive
- NSAIDs: no difference to QoL, pain. Worse physical function e.g. GI bleeds
What is the advice on Pregabalin and Valporate on pregnancy?
- Pregabalin: Risk of major congenital malformations
- Valporate: Risk of malformations
What is neuropathic pain?
- Pain caused by lesions in the central or peripheral somatosensory nervous system
What are examples of neuropathic pain?
- Diabetic neuropathy
- Trigeminal neuralgia
- Neuropathic cancer pain
- Post surgical chronic neuropathic pain
What are some drugs used to treat neuropathic pain?
- TCAs
- SSRIs
- SNRIs
- Anti epileptics
- Topical
- Opiods (not preferred)
What does the guildlines say on treating neuropathic pain?
- Either amitriptyline, duloxetine, gabapentin or pregabalin
- Consider tramadol only if acute rescue therapy is needed
What are some opioids risks?
- Long term: risk of falls and fractures
- Addiction, misuse, withdrawal symptoms
- Co prescription of opioids and benzo - impaired resp control
- Tolearance and hyperalgesia
What are signs of opioid overdose?
- Confusion or hallucinations
- Slurred speech
- Lips/ fingernails - blue/purple
- Unresponsive
- Heavy snoring
- Difficulty breathing
- Very small pupils