If you are receiving chemotherapy (
especially cyclosporine, methotrexate, bromocriptine, cyclophosphamide, doxorubicin), have HIV disease, or take street drugs (especially PCP) talk to your doctor.
Before giving ketoconazole, tell your veterinarian about any medications you are giving your pet,
especially;
cyclosporine (Neoral), methylprednisolone (Medrol), antacids, cimetidine (Tagamet), Nizatidine (Axid), famotidine (pepcid), ranitidine (Zantac), omeprazole (Prilosec), lansoprazole (Prevacid), rabeprazole (Aciphex), digoxin (Lanoxin), warfarin (Coumadin), phenytoin (Dilantin), glipizide (Glucotrol).