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': 'A 2 years old child without fever develops bone pain, vomiting and features of increased intracranial pressure following excessive medication. The drug most likely to be responsible for this is : \nSelect and explain. \nA. Vitamin A, B. Phenothiazine, C. Phenytoin, D. Vitamin D', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Hypervitaminosis A result in nausea; vomiting, itching, erythema, dermatitis, exfoliation, hair loss, bone and joint pains, loss of appetite, irritability, bleeding, increased intracranial pressure and chronic liver disease.', 'role': 'assistant'}]