This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Other topics and Adverse effects, Subject name: Pharmacology
All of the following can induce methemoglobinemia EXCEPT: 
Select and explain. 
A. Nitroglycerine, B. Procaine, C. Prilocaine, D. Phenytoin
D: Phenytoin
Answer: D: Phenytoin 
Explanation: Drugs that may cause Methemoglobinemia includes- nitrates derivatives (nitrates salt, nitroglycerin), nitrites derivatives (nitroprusside, amyl nitrite, nitric oxide), sulfonamides, dapsone, phenacetin, phenazopyridine, local anesthetics such as prilocaine, topical anesthetics such as Emla cream, benzocaine etc Essential of medical pharmacology Sixth edition-KD Tripathi Page:405,406