Butorphanol

What is Butorphanol?

Butorphanol (AAN, BAN, INN and USAN) is a morphinan-type synthetic opioid analgesic developed by Bristol-Myers. Brand name Stadol was recently discontinued by the manufacturer. It is now only available in its generic formulations, manufactured by Novex, Mylan, Apotex and Ben Venue Laboratories. Butorphanol is most closely structurally related to levorphanol. Butorphanol is available as the tartrate salt in injectable, tablet, and intranasal spray formulations. The tablet form is only used in dogs and cats due to low bioavailability in humans.

Butorphanol is listed under the Single Convention on Narcotic Drugs 1961 and in the United States is a Schedule IV Narcotic controlled substance with a DEA ACSCN of 9720; being in Schedule IV it is not subject to annual aggregate manufacturing quotas. The free base conversion ratio of the hydrochloride is 0.69.

Questions and answers on "Butorphanol"

When is it safe to take stadol after using meth?

doctor1 MD

no you should wait for atleast 4 hours

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I have severe chronic migraine headaches. I have one nearly every day of the week. I am currently being treated by my pcp and a neurologist. my...

doctor1 MD

Brief Answer:
Migraine

Detailed Answer:
Hi,

Thanks for your query.

I am sorry for the symptoms you are having!
Migraine is clinical diagnose and it...

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1. What is the lethal plasma or blood level of Stadol? and what is its primary metabolic. 2. What is the ratio of oxycodone to oxymorphone in an...

doctor1 MD

Brief Answer:
Answers are below

Detailed Answer:
Hi,

Thanks for your query.

Answers to your queries are below

1) Any dose more than 0.4mg/kg of...

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Recent questions on  Butorphanol

doctor1 MD

Still can t get appointment with neurologist till end of August and have no medication to get through till then. Migraines continue!! They are more...

doctor1 MD

When is it safe to take stadol after using meth?

doctor1 MD

my name is XXXXXXX I have a colostomy & Ileo Conduit . they bhave removed a lot of my bowel, I have been on MS Contin for 15 years taking 400 mg...

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