1.0Glossaryhttps://www.healthbenefitstimes.com/glossaryGlossaryhttps://www.healthbenefitstimes.com/glossary/author/adminglossary/Methylnaltrexone - Definition of Methylnaltrexonerich600338<blockquote class="wp-embedded-content" data-secret="rFH8WRWbTu"><a href="https://www.healthbenefitstimes.com/glossary/methylnaltrexone/">Methylnaltrexone</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://www.healthbenefitstimes.com/glossary/methylnaltrexone/embed/#?secret=rFH8WRWbTu" width="600" height="338" title="“Methylnaltrexone” — Glossary" data-secret="rFH8WRWbTu" frameborder="0" marginwidth="0" marginheight="0" scrolling="no" class="wp-embedded-content"></iframe><script>
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A newer opioid antagonist medication that blocks some of the side effects of opioid drugs, such as the constipating effects on the gastrointestinal tract, without affecting analgesia or precipitating withdrawal. It is available only as an injection (marketed under the brand name relistor).