Diprenorphine is the strongest opioid antagonist that is commercially available (some 100 times more potent as an antagonist than nalorphine), and is used for reversing the effects of very strong opioids for which the binding affinity is so high that naloxone does not effectively or reliably reverse the narcotic …
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What is Diprenorphine used for?
Diprenorphine is the strongest opioid antagonist that is commercially available (some 100 times more potent as an antagonist than nalorphine), and is used for reversing the effects of very strong opioids for which the binding affinity is so high that naloxone does not effectively or reliably reverse the narcotic …

What schedule is carfentanil?
Schedule II substance
Carfentanil is a Schedule II substance under the Controlled Substances Act and is used as a tranquilizing agent for elephants and other large mammals.
Is etorphine illegal?
Etorphine is available legally only for veterinary use and is strictly governed by law. It is often used to immobilize elephants and other large mammals. Diprenorphine (Revivon) is an opioid receptor antagonist that can be administered in proportion to the amount of etorphine used (1.3 times) to reverse its effects.
What is the strongest tranquilizer?
A 10 milligram dose of the animal tranquilizer carfentanil is powerful enough to sedate, even kill, a 15,000-pound African elephant, and more than strong enough to take down a musk ox, bull moose or fully grown buffalo.

Is carfentanil legal in the United States?
The United States Drug Enforcement Agency classified carfentanil as a Schedule II narcotic pursuant to the Federal Controlled Substance Act on October 28, 1988.
What is the active ingredient in carfentanil?
Carfentanil or carfentanyl (Wildnil) is an analogue of the popular synthetic opioid analgesic fentanyl, and is one of the most potent opioids known (also the most potent opioid used commercially)….7.3DEA Controlled Substances.
Substance | Carfentanil |
---|---|
Synonym(s) | Wildnil |
DEA Controlled Substances Code Number | 9743 |
Is etorphine a controlled substance?
A narcotic analgesic morphinan used as a sedative in veterinary practice. In certain countries, etorphine is classified as a Schedule 1 drug and hence, in these countries, it can be used legally only by health professionals and for research purposes….6.2DEA Controlled Substances.
Substance | Etorphine |
---|---|
Narcotic | Yes |
What is the fastest acting sedative?
Midazolam is the fastest acting of its class because of its lipophilic abilities, and it is superior to lorazepam and diazepam in its amnestic effects, making it the ideal benzodiazepine for use in short ED procedures.
What schedule drug is etorphine?
Note that although carfentanil and etorphine are schedule II, DEA maintains a list of approved individuals who may obtain these potent narcotics.