Opioids Flashcards
A majority of the drugs in this deck are of what class?
Opioid AGONISTS
What are the 2 Partial Agonists (mixed agonist/antagonist)?
Pentazocine
Buprenorphine
What are the 2 Partial Agonists (mixed agonist/antagonist)?
Pentazocine
Buprenorphine
What are the 2 Opioid Antagonists?
Naloxone
Naltrexone
What are the 2 Opioid Antagonists?
Naloxone
Naltrexone
What is the most potent Opioid Agonist compared to Morphine?
Fentanyl
What is the least potent Opioid Agonist compared to Morphine?
Codeine
MOA for Opioid Agonists?
Bind to opioid receptors in the cns
=> (-) ascending pain pathways and cause CNS depression
List some times when Opioids are used
Pain Anesthesia adjuncts Palliative care Antitussive (prevent cough) Antidiarrheal
What are some general adverse effects of Opioid Agonists?
CNS and Respiratory depression
Constipation
Hypotension
What are some general adverse effects of Opioid Agonists?
CNS and Respiratory depression
Constipation
Hypotension
When Opioid Agonists are combined with Sedative-Hypnotics, what can occur?
Increased respiratory depression
When Opioid Agonists are combined with Antipsychotics, what can occur?
Increased sedation and accentuation of cardiovascular effects
When Opioid Agonists are combined with Monoamine Oxidase Inhibitors, what can occur?
Hyperpyrexic Coma and HTN
From their weakest dose to their strongest, describe the cascade of effects seen with Opioid Agonists?
Antidiarrheal Antitussive Euphoria Nausea Analgesic Sedation Respiratory Depression Coma/Death
What are the 3 Opioid Receptors?
Mu, Delta, Kappa
Describe the highest affinity endogenous opioid peptides for the mu receptor
Endorphins» Enkephalins» Dynorphins
Describe the highest affinity endogenous opioid peptides for the delta receptor
Enkephalins» Endorphins» Dynorphins
Describe the highest affinity endogenous opioid peptides for the kappa receptor
Dynorphins» all the rest
What are some contraindications for Morphine Sulfate? (3)
Bronchial Asthma
Upper Respiratory obstruction
Allergy to Morphine