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
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 : 
Select and explain. 
A. Vitamin A, B. Phenothiazine, C. Phenytoin, D. Vitamin D
A: Vitamin A
Answer: A: Vitamin A 
Explanation: 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.