Does Loop Diuretics Interact with Formoterol Fumarate Dihydrate?
Loop Diuretics and Formoterol Fumarate Dihydrate have a moderate drug interaction according to U.S. FDA drug labeling data. Non-potassium-sparing diuretics may cause hypokalemia and ECG changes that can worsen with concurrent beta-agonists. Use with caution. The mechanism involves additive hypokalemia and ecg effects. 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
- Formoterol Fumarate Dihydrate Class
- Corticosteroid
- Management
- Monitor for effects
- Data Source
- U.S. FDA via OpenFDA
How This Interaction Works
The interaction between Loop Diuretics and Formoterol Fumarate Dihydrate occurs because additive hypokalemia and ecg effects. Clinically, this means non-potassium-sparing diuretics may cause hypokalemia and ecg changes that can worsen with concurrent beta-agonists. use with caution. 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 Loop Diuretics and your doctor is considering prescribing Formoterol Fumarate Dihydrate (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