Description and Brand Names
Drug information provided by: IBM Micromedex
US Brand Name
- Relistor
Descriptions
Methylnaltrexone injection is used to treat constipation caused by opioids (narcotic pain medicines), in adults with long-lasting pain that is not caused by cancer, or in patients with long-lasting pain caused by a previous cancer or its treatment who do not need weekly increases in opioid dosage. It is also used to treat constipation caused by opioids in adults with an advanced illness or cancer who need an increase in their opioid dosage.
This medicine is available only with your doctor's prescription.
This product is available in the following dosage forms:
Portions of this document last updated: Feb. 01, 2021
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