Drug Interactions between methadone and Relistor
This report displays the potential drug interactions for the following 2 drugs:
- methadone
- Relistor (methylnaltrexone)
Interactions between your drugs
No interactions were found between methadone and Relistor. This does not necessarily mean no interactions exist. Always consult your healthcare provider.
methadone
A total of 658 drugs are known to interact with methadone.
- Methadone is in the drug class narcotic analgesics.
- Methadone is used to treat the following conditions:
Relistor
A total of 9 drugs are known to interact with Relistor.
- Relistor is in the drug class peripheral opioid receptor antagonists.
- Relistor is used to treat the following conditions:
Drug and food interactions
methadone food
Applies to: methadone
Grapefruit juice can increase the blood levels and effects of methadone. If you regularly consume grapefruits or grapefruit juice, you should be monitored for side effects and/or changes in methadone levels. Do not increase or decrease the amount of grapefruit products in your diet without first talking to your doctor. Orange juice is not expected to interact.
methylnaltrexone food
Applies to: Relistor (methylnaltrexone)
Food may reduce the absorption of methylnaltrexone when taken orally, which may lead to lower blood levels of the medication and possibly reduced effectiveness. You should take oral preparations of methylnaltrexone on an empty stomach at least 30 minutes before your first meal of the day.
Therapeutic duplication warnings
No warnings were found for your selected drugs.
Therapeutic duplication warnings are only returned when drugs within the same group exceed the recommended therapeutic duplication maximum.
See Also
Drug Interaction Classification
Highly clinically significant. Avoid combinations; the risk of the interaction outweighs the benefit. | |
Moderately clinically significant. Usually avoid combinations; use it only under special circumstances. | |
Minimally clinically significant. Minimize risk; assess risk and consider an alternative drug, take steps to circumvent the interaction risk and/or institute a monitoring plan. | |
No interaction information available. |
Further information
Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.