Does Sitagliptin Hydrochloride Oral Interact with Insulin Human?
Sitagliptin Hydrochloride Oral and Insulin Human have a moderate drug interaction according to U.S. FDA drug labeling data. Coadministration may require lower dosages of insulin to reduce the risk of hypoglycemia. The mechanism involves sitagliptin lowers blood glucose; additive effect increases hypoglycemia risk. 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
- Sitagliptin Hydrochloride Oral Class
- Dipeptidyl Peptidase 4 Inhibitor
- Insulin Human Class
- Insulin
- Management
- Monitor for effects
- Data Source
- U.S. FDA via OpenFDA
How This Interaction Works
The interaction between Sitagliptin Hydrochloride Oral and Insulin Human occurs because sitagliptin lowers blood glucose; additive effect increases hypoglycemia risk. Clinically, this means coadministration may require lower dosages of insulin to reduce the risk of hypoglycemia. 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 Sitagliptin Hydrochloride Oral and your doctor is considering prescribing Insulin Human (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