Does Testosterone Undecanoate Interact with Insulin Human?
Testosterone Undecanoate and Insulin Human have a moderate drug interaction according to U.S. FDA drug labeling data. Androgens may decrease blood glucose and insulin requirements in diabetic patients, necessitating insulin dose adjustment. The mechanism involves changes in insulin sensitivity or glycemic control. 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
- Insulin Human Class
- Insulin
- Management
- Monitor for effects
- Data Source
- U.S. FDA via OpenFDA
How This Interaction Works
The interaction between Testosterone Undecanoate and Insulin Human occurs because changes in insulin sensitivity or glycemic control. Clinically, this means androgens may decrease blood glucose and insulin requirements in diabetic patients, necessitating insulin dose adjustment. 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 Testosterone Undecanoate 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