Generic name:methylnaltrexone bromide (oral route) [ meth-il-nal-TREX-one-BROE-mide ]
Drug class:Peripheral opioid receptor antagonists
Medically reviewed by Drugs.com. Last updated on Feb 6, 2022.
Commonly used brand name(s)
In the U.S.
- Relistor
Available Dosage Forms:
- Tablet
Therapeutic Class: Gastrointestinal Agent
Pharmacologic Class: Methylnaltrexone
Uses for Relistor
Methylnaltrexone bromide 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.
This medicine is available only with your doctor's prescription.
Before using Relistor
In deciding to use a medicine, the risks of taking the medicine must be weighed against the good it will do. This is a decision you and your doctor will make. For this medicine, the following should be considered:
Allergies
Tell your doctor if you have ever had any unusual or allergic reaction to this medicine or any other medicines. Also tell your health care professional if you have any other types of allergies, such as to foods, dyes, preservatives, or animals. For non-prescription products, read the label or package ingredients carefully.
Pediatric
Appropriate studies have not been performed on the relationship of age to the effects of methylnaltrexone in the pediatric population. Safety and efficacy have not been established.
Geriatric
Appropriate studies performed to date have not demonstrated geriatric-specific problems that would limit the usefulness of methylnaltrexone in the elderly. However, elderly patients are more likely to have diarrhea, which may require caution in the dose for patients receiving this medicine.
Breastfeeding
There are no adequate studies in women for determining infant risk when using this medication during breastfeeding. Weigh the potential be...