Does Vonoprazan Fumarate Interact with Ampicillin?
Vonoprazan Fumarate and Ampicillin have a unknown drug interaction according to U.S. FDA drug labeling data. High urine concentrations of ampicillin or amoxicillin may cause false-positive results when using glucose tests based on the Benedict's copper reduction reaction that determines the amount of reducing substances like glucose in the urine. High urine concentrations of ampicillin or amoxicillin may cause false-positive results when using glucose tests based on the Benedict's copper reduction reaction that determines the amount of reducing substances like glucose in the urine. 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
- Unknown
- Management
- Consult your pharmacist
- Data Source
- U.S. FDA via OpenFDA
What To Tell Your Doctor or Pharmacist
If you are taking Vonoprazan Fumarate and your doctor is considering prescribing Ampicillin (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
- Never stop or change either medication without first consulting your healthcare provider