How is Morphine administered?
IM every 4 hours
When is morphine used?
In trauma or pre-anesthetically
When not to give morphine?
Head injury or pregnancy
When is Fentanyl used?
In severe cancer pain
How is Fentanyl administered?
Via IV or Transdermal patch
When is Pethidine used?
In obstetric analgesia
What is the weakest opioid analgesic?
Pethidine
How is Tramadol administered?
Orally
When is Tramadol used?
In moderate pain
Which analgesic has NMDA antagonism?
Methadone