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': 'Most impoant side effect of aspirin ? \nSelect and explain. \nA. Gastritis, B. Edema, C. Kidney damage, D. Hypersensitivity', 'role': 'user'}, {'content': "Answer: A \nExplanation: Ans. is 'a' i.e., Gastritis Adverse effects of aspirin Side effects Occur at analgesic dose (0.3 - 1.5 mg/day) Symptoms are nausea, vomiting, epigastric distress, increased occult blood loss in stools. The most impoant adverse effect of aspirin is gastric mucosal damage.", 'role': 'assistant'}]