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→Buprenorphine
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===Buprenorphine===
===Buprenorphine===
−Buprenorphine is a Schedule 3 controlled drug used for the relief of moderate pain. It is licensed for veterinary used and may be given i/v, i/m, s/c or p/o. Its actions last 6-8 hours.
+Buprenorphine is a Schedule 3 controlled drug used for the relief of moderate pain. It is licensed for veterinary used and may be given i/v, i/m, s/c or p/o. There is an onset time of 45 mins and its actions last 6-8 hours.
Buprenorphine is a partial OP3 agonist. This gives it a bell-shaped dose response curve, with large experimental doses actually causing opioid receptor antagonism. Buprenophine may therefore cause partial reversal of administration of full OP3 agonists such as [[#Morphine|morphine]], [[#Methadone|methadone]], [[#Pethidine|pethidine]] or [[#Fentanyl|fentanyl]].
Buprenorphine is a partial OP3 agonist. This gives it a bell-shaped dose response curve, with large experimental doses actually causing opioid receptor antagonism. Buprenophine may therefore cause partial reversal of administration of full OP3 agonists such as [[#Morphine|morphine]], [[#Methadone|methadone]], [[#Pethidine|pethidine]] or [[#Fentanyl|fentanyl]].