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Status:
US Approved Rx (2001)
First approved in 1978

Class (Stereo):
CHEMICAL (ABSOLUTE)


Conditions:

Butorphanol is a synthetic opioid agonist-antagonist analgesic with a pharmacological and therapeutic profile that has been well established since its launch as a parenteral formulation in 1978. The introduction of a transnasal formulation of butorph...
Status:
US Approved Rx (1989)
First approved in 1964

Class (Stereo):
CHEMICAL (ABSOLUTE)



Nalbuphine is a semi-synthetic opioid agonist-antagonist used commercially as an analgesic under a variety of trade names, including Nubain and Manfine. Nalbuphine is an agonist at kappa opioid receptors and an antagonist at mu opioid receptors. Nalb...