entsAntihemophilic Factor (Recombinant) ... and pharmacist if you have ever had a reaction to an antihemophilic factor or if you ... (Oncovin), vitamin K, and other vitamins.tell your doctor if you ... www.nlm.nih.gov/medlineplus/druginfo/meds/a694027.html - Drugs and SupplementsImportant Information to Know When You Are Taking: Warfarin (Coumadin) and Vitamin K (National Institutes of Health, Cli