Tell your doctor about all your current medicines. Many drugs can affect fludrocortisone, especially:
aspirin;
a diuretic or "water pill";
insulin or oral diabetes medicine;
birth control pills or hormone replacement therapy;
an anabolic steroid (such as oxandrolone or oxymetholone);
barbiturates (such as butabarbital, phenobarbital, or secobarbital);
a blood thinner (such as warfarin, Coumadin, or Jantoven); or
drugs that weaken the immune system such as cancer medicine, steroids, and medicines to prevent organ transplant rejection.
This list is not complete and many other drugs may affect fludrocortisone. This includes prescription and over-the-counter medicines, vitamins, and herbal products. Not all possible drug interactions are listed here.
 Fludrocortisone drug interactions (more detail)
