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': 'Sucralfate does not interfere with the absorption of: \nSelect and explain. \nA. Ciprooxacin, B. Phenytoin, C. Phenoxy methyl penicillin, D. Digoxin', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Sucralfate forms a viscous layer in the stomach that prevents the absorption of other drugs such as digoxin,\xa0phenytoin,\xa0quinolone antibiotics, ketoconazole, and cimetidine.\nSucralfate comprises of sucrose octasulfate bound to aluminum hydroxide. In the presence of an acidic environment, sucralfate produces a sticky polymer which gets attached to the ulcer crater for at least 6 hours.\nOther indications for sucralfate besides acid peptic disease:\nOral mucositis (Radiation and aphthous ulcers)\nBile reflux gastropathy\nSide Effects\nA most common side effect of sucralfate is constipation.\nBezoar formation can occur with consumption of sucralfate due to the sticky nature of the drug.\nBezoar formation is more prone to occur in patients with gastroparesis.', 'role': 'assistant'}]