Dapagliflozin and Metformin Interaction
Drug interaction information between Dapagliflozin and Metformin.
Dapagliflozin and Metformin have a documented minor interaction in FDA labeling.
FDA drug labeling documents a minor-severity interaction between Dapagliflozin and Metformin. This page displays the available source-record category and label text. The category is not an individual risk estimate or medication-combination direction.
How They Interact
These two drugs do not have a meaningful effect on each other's levels in the body.
FDA Label Information
No dosing adjustments required for the following: Oral Antidiabetic Agents Metformin (1000 mg) 20 mg ↔ ↔ Pioglitazone (45 mg) 50 mg ↔ ↔ Sitagliptin (100 mg) 20 mg ↔ ↔ Glimepiride (4 mg) 20 mg ↔ ↔ Voglibose (0.2 mg three times daily) 10 mg ↔ ↔ Other Medications Hydrochlorothiazide (25 mg) 50 mg ↔ ↔ Bumetanide (1 mg) 10 mg once daily for 7 days ↔ ↔ Valsartan (320 mg) 20 mg ↓12% [↓3%, ↓20%] ↔ Simvastatin (40 mg) 20 mg ↔ ↔ Anti-infective Agent Rifampin (600 mg once daily for 6 days) 10 mg ↓7% [↓22%, ↑11%] ↓22% [↓27%, ↓17%] Nonsteroidal Anti-inflammatory Agent Mefenamic Acid (loading dose of...
Dapagliflozin Also Interacts With
- Hydrochlorothiazide minor
- Simvastatin minor
- Glimepiride minor
- Valsartan minor
- Warfarin minor
Metformin Also Interacts With
- Bictegravir/Emtricitabine/Tenofovir moderate
- Dolutegravir/Lamivudine moderate
- Empagliflozin moderate
- Empagliflozin/Linagliptin moderate
- Ertugliflozin moderate
Frequently Asked Questions
What SPL severity band is on file for Dapagliflozin + Metformin?
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?
Metformin has 27 labeled pairs on file vs Dapagliflozin's 13. In the minor band specifically: Dapagliflozin has 13 (also Hydrochlorothiazide, Simvastatin, Glimepiride, Valsartan); Metformin has 17 (also Topiramate, Dolutegravir, Ranolazine, Cimetidine).
What mechanism field is on file for Dapagliflozin and Metformin?
These two drugs do not have a meaningful effect on each other's levels in the body.
Metformin's labeled portfolio outnumbers Dapagliflozin
SPL source-record counts only. This page's band is minor · classes on file: Dapagliflozin (SGLT2 Inhibitor); Metformin (Biguanide).
0 major · 0 moderate · 13 minor · 13 total
- Other minor peers for Dapagliflozin
- Hydrochlorothiazide
- Simvastatin
- Glimepiride
- Valsartan
0 major · 10 moderate · 17 minor · 27 total
- Other minor peers for Metformin
- Topiramate
- Dolutegravir
- Ranolazine
- Cimetidine
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.
Read our methodology - how this data is sourced, computed, and verified.