Managing this medication for someone you care for? Eleplan keeps diagnoses, medications and appointments in one plan.
Start free with EleplanClinical drug
0.6 ML methylnaltrexone bromide 20 MG/ML Injection [Relistor]
20 MG/ML · Injection · injection
A form of methylnaltrexone →
0.6 ML methylnaltrexone bromide 20 MG/ML Injection [Relistor] — Peripheral opioid receptor antagonists. Strength, form, class, interactions & more.
![0.6 ML methylnaltrexone bromide 20 MG/ML Injection [Relistor]](https://dailymed.nlm.nih.gov/dailymed/image.cfm?setid=c488fb7c-0a5b-487c-b452-996809d1cb99&name=image-01.jpg)
Active ingredient
Classification
Drug interactions
Methylnaltrexone has specific interactions with other opioid antagonists and does not significantly affect the metabolism of certain drugs.
- majorother opioid antagonists — increased risk of opioid withdrawal
- moderatedextromethorphan — no significant effect on metabolism
Real-world adverse events (FAERS)
Source: RxNorm + openFDA + RxClass + FAERS · 2026
Look up another medication