Tell your doctor about all your current medicines and any you start or stop using, especially:
nelfinavir; or
a blood thinner - warfarin, Coumadin, Jantoven.
This list is not complete. Other drugs may interact with azithromycin, including prescription and over-the-counter medicines, vitamins, and herbal products. Not all possible interactions are listed in this medication guide.
 Zithromax drug interactions (more detail)
