This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Pharmacology
[{'content': 'Which of the following drugs should not be given along with Sucralfate \nSelect and explain. \nA. Ranitidine, B. Ciprofloxacin, C. Propanalol, D. Diphenhydramine', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Sucralfate polymerizes to form a sticky layer that covers ulcer base, in acidic pH. Hence, antacids like Ranitidine are avoided with sucralfate.', 'role': 'assistant'}]