Safinamide and Meperidine Interaction
Drug interaction information between Safinamide and Meperidine.
Safinamide and Meperidine have a documented major interaction in FDA labeling.
FDA drug labeling documents a major-severity interaction between Safinamide and Meperidine. Major interactions are generally avoided, moderate ones may need monitoring or a dose adjustment, and minor ones are usually low-risk. This page shows the documented mechanism and guidance. Label-documented interactions are not a complete safety review, so always confirm your own medications with a pharmacist or doctor. Educational information, not medical advice.
How They Interact
This combination can cause a severe, life-threatening reaction by interfering with how the brain handles certain chemicals.
What To Do
Avoid taking these medications together under any circumstances.
FDA Label Information
7.2 Opioid Drugs Because serious, sometimes fatal reactions have been precipitated with concomitant use of opioid drugs (e.g., meperidine and its derivatives, methadone, propoxyphene, or tramadol) and MAOIs, including selective MAO-B inhibitors, concomitant use of these drugs is contraindicated [see Warnings and Precautions (5.2) ] .
Safinamide Also Interacts With
- Tramadol major
- Methylphenidate major
- Linezolid major
- Methadone major
- Dextromethorphan major
Meperidine Also Interacts With
- Rasagiline moderate
- Tranylcypromine moderate
- Gabapentin minor
- Trazodone minor
- Tramadol minor
Frequently Asked Questions
Can I take Safinamide and Meperidine together?
This is a major interaction. Avoid taking these medications together under any circumstances.
How serious is the interaction between Safinamide and Meperidine?
This interaction is classified as "major" severity by the FDA. Major interactions may be life-threatening or cause serious side effects.
Why do Safinamide and Meperidine interact?
This combination can cause a severe, life-threatening reaction by interfering with how the brain handles certain chemicals.
Understanding the Safinamide and Meperidine Interaction
FDA-approved prescribing information for these two drugs flags their combination as a major-severity interaction. Safinamide belongs to the MAO-B Inhibitor class and Meperidine belongs to the Opioid Analgesic class - two categories that can collide when co-prescribed. The mechanism described in FDA labeling is: This combination can cause a severe, life-threatening reaction by interfering with how the brain handles certain chemicals. Severity tiers matter: major flags generally advise avoidance, moderate flags often require monitoring or dose adjustment, and minor flags may only call for awareness.
Context around a specific patient determines real-world impact. Safinamide has 10 total documented interactions on file in this dataset, and Meperidine has 31. Each additional medication compounds the interaction surface, which is why pharmacists run full-profile checks rather than evaluating one pair at a time. FDA-derived guidance for this pair is: Avoid taking these medications together under any circumstances. Timing of doses, renal and hepatic function, age, and other concurrent prescriptions all shape whether a labeled interaction matters clinically.
An interaction flag is not a verdict. A large share of labeled interactions are managed routinely in clinical practice, the fix may be as simple as spacing doses or adding a monitoring test. Others require the prescriber to choose a different medication entirely. This page surfaces FDA-sourced labeling and openFDA data for educational purposes only; it is not medical advice and cannot account for your full clinical picture. Never start, stop, or adjust either Safinamide or Meperidine based on a web page, speak with your prescriber or pharmacist before making any change.
Sources: FDA Drug Labels (SPL) via openFDA (2026). This is for informational purposes only and is not medical advice. Always consult your healthcare provider about drug interactions.
Read our methodology - how this data is sourced, computed, and verified.