Oral Contraceptives
Warfarin (Coumadin, Jantoven)
In clinical studies, Byetta did not have an effect on the INR (a test used to measure how well blood clots) in people taking
warfarin, indicating that warfarin does not interact with Byetta. However, there have been a few reports of Byetta causing an increased INR (and sometimes bleeding) in people taking warfarin. Your heatlhcare provider may want to monitor your INR more frequently when starting or stopping Byetta.
Final Thoughts on Byetta Drug Interactions
It is possible that not every Byetta drug interaction was discussed in this article. Therefore, you should talk with your pharmacist or healthcare provider about the specific drug interactions that may apply to your situation.