Palliative care Flashcards
What is the MOA of paracetamol?
Weak COX inhibitor
What is the 1st line NSAID in palliative care?
Celecoxib
What is the MOA of opioids?
Mu agonist
How does metoclopramide work and what is it used for?
Quickens gastricic emptying
Useful for nausea and is often used in conjunction with dexamethasone for partial BO (unless there is colic)
What might Domperidone interact with and what effect might this have?
Domperidone + ondansetron => QT prolongation
What is the 1st line anti-emetic in palliative care?
Cyclizine
What are hyoscine and glycopronium used as?
anti-secretory
Which medications should be used to treat intestinal secretions?
Hyoscine,
Octreotide
Name 3 weak opioids
Codeine
Dihydrocodeine
Tramadol
Name 5 strong opioids
Morphine
Oxycodone
Methadone
Buprenorphine
Fentanyl
How do you convert an oral morphine dose to an SC dose?
divide by 2
However for oral morphine to SC diamorphine, divide the 24 hour oral morphine dose by 3
what dose of SC Alfentanyl (hourly) and Transdermal Fentanyl is equivalent to 30mg 2hr oral moprhine?
1mg SC Alfentanyl (hourly)
12mg transdermal Fentanyl
How do you calculate the transdermal fentanil dose from the 24 hour oral morphine dose?
multiple the 24 hour oral morphine dose by 2/5
If pain is not controlled, by how much should you increase your dose of analgesia?
30-50%
Which opioid should you give in renal impairment and hepatic impairment?
Hepatic impairment -> morphine
Renal Impairment
Mild / moderate - oxycodone
severe - buprenorphine, alfentanil, fentanyl