Linagliptin and Zonisamide Interaction

Drug interaction information between Linagliptin and Zonisamide.

Linagliptin and Zonisamide have a documented minor interaction in FDA labeling.

FDA drug labeling documents a minor-severity interaction between Linagliptin and Zonisamide. This page displays the available source-record category and label text. The category is not an individual risk estimate or medication-combination direction.

Drug A

Linagliptin

DPP-4 Inhibitor

Drug B

Zonisamide

Anticonvulsant (Sulfonamide)

How They Interact

Zonisamide can lower the level of bicarbonate in your blood, which makes your blood more acidic. This increases the risk of metabolic acidosis when combined with this diabetes medication.

Linagliptin Also Interacts With

View all Linagliptin interactions →

Frequently Asked Questions

What SPL severity band is on file for Linagliptin + Zonisamide?

Compiled FDA labeling labels this pair minor. That is a source-record field, not an individual medication-combination decision.

Which drug in this pair has the larger labeled-interaction portfolio?

Zonisamide has 13 labeled pairs on file vs Linagliptin's 9. In the minor band specifically: Linagliptin has 5 (also Topiramate, Rifampin, Phenytoin, Empagliflozin/Linagliptin); Zonisamide has 10 (also Carbamazepine, Empagliflozin, Empagliflozin/Linagliptin, Metformin).

What mechanism field is on file for Linagliptin and Zonisamide?

Zonisamide can lower the level of bicarbonate in your blood, which makes your blood more acidic. This increases the risk of metabolic acidosis when combined with this diabetes medication.

Zonisamide's labeled portfolio outnumbers Linagliptin

SPL source-record counts only. This page's band is minor · classes on file: Linagliptin (DPP-4 Inhibitor); Zonisamide (Anticonvulsant (Sulfonamide)).

Linagliptin

0 major · 4 moderate · 5 minor · 9 total

Zonisamide

0 major · 3 moderate · 10 minor · 13 total

Sources: FDA Drug Labels (SPL) via openFDA (2026). This is for informational purposes only and is not medical advice. This registry does not provide individual medication-combination directions.