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Neuro: Opioids
Neuroscience Block Opioids
8
Medical
Professional
03/23/2008

Additional Medical Flashcards

 


 

Cards

Term
Morphine
Definition
  • MOA: strong mu R agonist, inhib adenylate cyclase-> decr substance P, GABA, DA, NE
  • USE: decrease perception of pain, diarrhea, anesthesia adjunct
  • PHARM: high plasma prot binding, rapid abs, metab by conjugation to glucoronidate in liver
Term
Meperidine
Definition
  • MOA:  strong mu R agonist
  • USE:analgesi(decr perception of pain), diarrhea, shivering
  • TOX: demethylated metabolites can accum in liver-->seizure
Term
Oxycodone
Definition
  • MOA: mild-mod mu R agonist, decr cAMP by inhib aden cycl-->decr release of DA, ACh, GABA, substance P, NE
  • USE: analgesic
  • TOX: constipation, NV
Term
Methadone
Definition
  • MOA: Strong mu R agonist
  • PHARM: long lasting, slow acting
  • USE: alcohol withdrawal
  • TOX: constipation, NV, resp depression
Term
Fentanyl
Definition
  • MOA: strong mu R agonist; decr Ach, NE, DA, GABA
  • USE: analgesic
  • TOX: often abused because difficult to pick up in blood, 
Term
Diphenoxylate
Definition
  • MOA: mild-mod mu R agonist
  • USE: analgesic, diarrhea
  • TOX: constipation, NV, resp depression
Term
Pentazocine
Definition
  • MOA: mixed agonist-antagonist at opiate Rs
  • PHARM: 1/6-1/3 as potent as morphine
  • USE: mod to severe pain
  • TOX: less activity at mu-->less resp depression and dependence, incr BP and HR
Term
Naloxone
Definition
  • MOA: opiate R antagonist, competitively block mu, kappa and delta R
  • USE:
  • TOX: no resp depression
  • PHARM: significant first pass metab so can't be given orally
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