All of the following drugs can induce Methemoglobinemia, except -: (A) Nitroglycerine, (B) Procaine, (C) Prilocaine, (D) Phenytoin
Answer is D. Ans. is 'd' i.e., Phenytoin Substances or drugs causing Methemoglobinemia 1. Aniline and its derivatives 2. Aminophenols 3. Aminophenones 4. Chlorates 5. Dapsone 6. Local anaesthetics - Prilocaine, Benzocaine 7. Nitrites9. Naphthalene 8. Nitrates (Nitroglycerine is included in nitrates) 10. Nitrobenzenes and related compounds 11 . Oxides of Nitrogen 12. Phenazopyridine 13. Primaquine and related antimalarials 14. Sulfonamides