Does Dapagliflozin Interact with Lithium?
Dapagliflozin and Lithium have a moderate drug interaction according to U.S. FDA drug labeling data. Concomitant use of dapagliflozin with lithium may decrease serum lithium concentrations. Monitor serum lithium concentration more frequently during dapagliflozin initiation and dosage changes. The mechanism involves sglt2 inhibition may decrease serum lithium concentrations. Patients taking both medications should consult their healthcare provider before starting, stopping, or changing the dosage of either drug. This information is based on official FDA drug labeling sourced from OpenFDA and the NIH National Library of Medicine.
- Severity
- Moderate
- Dapagliflozin Class
- Sodium-Glucose Cotransporter 2 Inhibitor
- Management
- Monitor for effects
- Data Source
- U.S. FDA via OpenFDA
How This Interaction Works
The interaction between Dapagliflozin and Lithium occurs because sglt2 inhibition may decrease serum lithium concentrations. Clinically, this means concomitant use of dapagliflozin with lithium may decrease serum lithium concentrations. monitor serum lithium concentration more frequently during dapagliflozin initiation and dosage changes. This is classified as a moderate interaction. While it may not require stopping either medication, your healthcare provider should be aware you are taking both so they can monitor for potential effects and adjust treatment if necessary.
What To Tell Your Doctor or Pharmacist
If you are taking Dapagliflozin and your doctor is considering prescribing Lithium (or vice versa), make sure to:
- Inform your doctor and pharmacist of all current medications, including over-the-counter drugs and supplements
- Ask whether the benefits of combining these medications outweigh the risks for your specific situation
- Ask what symptoms to watch for that would indicate the interaction is causing problems
- Ask whether any dosage adjustments are needed
- Never stop or change either medication without first consulting your healthcare provider