Ontology capturing Drug Interactions, Alternatives, Conflicts, and Similarities. hasAlternative hasConflict hasInteraction hasSimilarity AlternativeDrug Conflict consumables Drug DrugInteraction Similarity Alcohol Amlodipine Apixaban Aspirin Atorvastatin Caffeine Ciprofloxacin Clopidogrel Empagliflozin Erythromycin Esomeprazole Fluoxetine Glucophage Ibuprofen Lisinopril Losartan Metformin Metronidazole Naproxen Nifedipine Omeprazole Pantoprazole Phenelzine Rosuvastatin Sertraline Simvastatin Spironolactone Theophylline Warfarin GrapefruitJuice GreenLeafyVegetables TyramineFoods