Zonisamide and Alogliptin Interaction
Drug interaction information between Zonisamide and Alogliptin.
Zonisamide and Alogliptin have a documented moderate interaction in FDA labeling.
FDA drug labeling documents a moderate-severity interaction between Zonisamide and Alogliptin. 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
Zonisamide interferes with how your kidneys remove metformin from your body, which can increase the risk of a serious condition called lactic acidosis.
What To Do
Use these drugs together with caution and follow your doctor's advice on monitoring your health.
FDA Label Information
Examples: Topiramate, zonisamide, acetazolamide or dichlorphenamide Drugs that Reduce Metformin Clearance Clinical Impact: Concomitant use of drugs that interfere with common renal tubular transport systems involved in the renal elimination of metformin (e.g., organic cationic transporter-2 [OCT2]/multidrug and toxin extrusion [MATE] inhibitors) could increase systemic exposure to metformin and may increase the risk for lactic acidosis [see Clinical Pharmacology (12.3) ] .
Zonisamide Also Interacts With
- Ertugliflozin moderate
- Topiramate moderate
- Carbamazepine minor
- Empagliflozin minor
- Empagliflozin/Linagliptin minor
Alogliptin Also Interacts With
- Topiramate moderate
- Metformin minor
- Dolutegravir minor
- Ranolazine minor
- Cimetidine minor
Frequently Asked Questions
Can I take Zonisamide and Alogliptin together?
This is a moderate interaction. Use these drugs together with caution and follow your doctor's advice on monitoring your health.
How serious is the interaction between Zonisamide and Alogliptin?
This interaction is classified as "moderate" severity by the FDA. Moderate interactions may worsen your condition or change how your medications work.
Why do Zonisamide and Alogliptin interact?
Zonisamide interferes with how your kidneys remove metformin from your body, which can increase the risk of a serious condition called lactic acidosis.
Understanding the Zonisamide and Alogliptin Interaction
FDA-approved prescribing information for these two drugs flags their combination as a moderate-severity interaction. Zonisamide belongs to the Anticonvulsant (Sulfonamide) class and Alogliptin belongs to the DPP-4 Inhibitor class - two categories that can collide when co-prescribed. The mechanism described in FDA labeling is: Zonisamide interferes with how your kidneys remove metformin from your body, which can increase the risk of a serious condition called lactic acidosis. 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. Zonisamide has 13 total documented interactions on file in this dataset, and Alogliptin has 7. 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: Use these drugs together with caution and follow your doctor's advice on monitoring your health. 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 Zonisamide or Alogliptin 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.