Metformin and Linagliptin Interaction

Drug interaction information between Metformin and Linagliptin.

Metformin and Linagliptin have a documented moderate interaction in FDA labeling.

FDA drug labeling documents a moderate-severity interaction between Metformin and Linagliptin. 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

Metformin

Biguanide

Drug B

Linagliptin

DPP-4 Inhibitor

How They Interact

One drug may slow down how fast the other is removed from your body through your kidneys. This can cause a dangerous buildup of medicine and lead to a serious condition called lactic acidosis.

FDA Label Information

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 such as ranolazine, vandetanib, dolutegravir, and cimetidine) could increase systemic exposure to metformin and may increase the risk for lactic acidosis [see Clinical Pharmacology (12.3) ] . Alcohol Clinical Impact Alcohol is known to potentiate the effect of metformin on lactate metabolism. ( 7 ) Drugs that...

Linagliptin Also Interacts With

View all Linagliptin interactions →

Frequently Asked Questions

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

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

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

Metformin has 27 labeled pairs on file vs Linagliptin's 9. In the moderate band specifically: Metformin has 10 (also Bictegravir, Dolutegravir/Lamivudine, Empagliflozin, Empagliflozin/Linagliptin); Linagliptin has 4 (also Dolutegravir, Ranolazine, Cimetidine).

What mechanism field is on file for Metformin and Linagliptin?

One drug may slow down how fast the other is removed from your body through your kidneys. This can cause a dangerous buildup of medicine and lead to a serious condition called lactic acidosis.

Metformin's labeled portfolio outnumbers Linagliptin

SPL source-record counts only. This page's band is moderate · classes on file: Metformin (Biguanide); Linagliptin (DPP-4 Inhibitor).

Metformin

0 major · 10 moderate · 17 minor · 27 total

Linagliptin

0 major · 4 moderate · 5 minor · 9 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.