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![](https://webarchive.library.unt.edu/eot2008/20081105094620im_/http://www.cancer.gov/images/spacer.gif)
| A substance that is being studied as a treatment for constipation caused by narcotic medications. It belongs to the family of drugs called narcotic antagonists. |
Previous Definitions: | N-acetylcysteine, N-acetyldinaline, N-benzoyl-staurosporine, N-butyl-N-(4-hydroxybutyl) nitrosamine, NaCl | Next Definitions: | naltrexone, naltrexone hydrochloride, Namenda, nanogram, nanoparticle paclitaxel |
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