. . "Drugs and Foods to Avoid:Ask your doctor or pharmacist before using any other medicine, including over-the-counter medicines, vitamins, and herbal products.Make sure your doctor knows if you are using a blood thinner such as warfarin (Coumadin??).Warnings While Using This Medicine:Make sure your doctor knows if you are pregnant or breast feeding, or if you have had an allergic reaction to a penici" . .