Opioids Flashcards
Weak Mu receptor agonists
Tramadol
Codeine:
prodrug that is converted to morphine by CYP2D6
Fluoxetine (SSRIs) - CYP2D6 inhibitors so need ^dose
Strong Mu receptor agonists
Morphine
Fentanyl
Diamorphine
Mixed Mu receptor partial agonist
Buprenorphine
Opioid indications
Analgesia
Antitussive (cough suppression)
Palliation
Anti-diarroheal
Opioid ADRs
Constipation
Drowsiness
Dysphoria (euphoria initially)
Miosis
Respiratory distress
Opioid DDIs
CNS depressants
Reduced gut motility drugs
Contraindications
Comatose patients
^ICP
Constipation
Manual labour/drivers
Opioid OD treatment?
Naloxone
Competitive opioid receptor antagonist
(signs of OD - slow breathing, slow HR)
Opioid addiction treatment?
Buprenorphine (partial agonist/antagonist)
Methadone (higher affinity to receptors than others)