You are a helpful, respectful, and honest assistant. Always answer as helpfully as possible, while being safe. Your answers should not include any harmful, unethical, racist, sexist, toxic, dangerous, or illegal content. Please ensure that your responses are socially unbiased and positive in nature. If a question does not make any sense or is not factually coherent, explain why instead of answering something not correct. If you don't know the answer to a question, please don't share false information.
What is Methemoglobinemia may be caused by following agents, EXCEPT: and explain in detail?
Drugs Commonly Implicated in Patients with Methemoglobinemia: Analgesics Phenazopyridine Phenacetin Antimicrobials Antimalarials Dapsone Local anesthetics Benzocaine Lidocaine Prilocaine Dibucaine Nitrates/nitrites Amyl nitrite Isobutyl nitrite Sodium nitrite Ammonium nitrate Silver nitrate Sulfonamides Ref: Farmer B.M., Nelson L.S. (2011). Chapter 201. Dyshemoglobinemias. In J.E. Tintinalli, J.S. Stapczynski, D.M. Cline, O.J. Ma, R.K. Cydulka, G.D. Meckler (Eds), Tintinalli's Emergency Medicine: A Comprehensive Study Guide, 7e.