Does Fosinopril Sodium And Hydrochlorothiazide Interact with Potassium Supplements?
Fosinopril Sodium And Hydrochlorothiazide and Potassium Supplements have a moderate drug interaction according to U.S. FDA drug labeling data. May increase risk of hyperkalemia with fosinopril sodium and hydrochlorothiazide; concomitant use requires caution and frequent serum potassium monitoring. The mechanism involves ace inhibitor can reduce potassium excretion while thiazide effects on potassium are variable. 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
- Fosinopril Sodium And Hydrochlorothiazide Class
- Thiazide Diuretic
- Management
- Monitor for effects
- Data Source
- U.S. FDA via OpenFDA
How This Interaction Works
The interaction between Fosinopril Sodium And Hydrochlorothiazide and Potassium Supplements occurs because ace inhibitor can reduce potassium excretion while thiazide effects on potassium are variable. Clinically, this means may increase risk of hyperkalemia with fosinopril sodium and hydrochlorothiazide; concomitant use requires caution and frequent serum potassium monitoring. 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 Fosinopril Sodium And Hydrochlorothiazide and your doctor is considering prescribing Potassium Supplements (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