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butorphanol

American  
[byoo-tawr-fuh-nawl, -nol] / byuˈtɔr fəˌnɔl, -ˌnɒl /

noun

Pharmacology.
  1. a narcotic analgesic, C 21 H 29 NO 2 , administered by injection to treat moderate to severe pain.


Etymology

Origin of butorphanol

As contraction of the chemical name 17-(cyclobutylmethyl)morphinan-3,14-diol

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

After further review, the committee in 2003 raised additional concerns: “larger numbers of case reports of abuse, dependence and withdrawal syndrome for tramadol than for any other analgesic” aside from butorphanol, a potent and tightly controlled painkiller.

From The Wall Street Journal

Also on the list: butorphanol nasal spray, and the combination medications sumatriptan/naproxen and acetaminophen/aspirin/caffeine.

From US News

While powerful opioid pain drugs such as butorphanol, codeine/acetaminophen and tramadol/acetaminophen are likely effective migraine treatments, they are not recommended for regular use, the researchers said.

From US News

A blood test of Fastus Cactus didn't show any butorphanol, and Dutrow's expert witness theorized that the urine test may have been contaminated.

From Seattle Times

The board's decision resolves two specific matters that arose in November 2010: Dutrow's horse Fastus Cactus tested positive for the drug butorphanol - a pain killer 10 times more potent than morphine - after winning the third race at Aqueduct Racetrack on Nov. 20; and three hypodermic needles "loaded with the drug xyzaline" were found in Dutrow's desk in Barn 10 at Aqueduct on Nov. 3.

From Seattle Times