This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Pharmacology
[{'content': 'Fungicidal drug used orally for treatment of onychomycosis \nSelect and explain. \nA. Amphotericin B, B. Clotrimozale, C. Terbinafate, D. Gresiofulvin', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Onychomycosis is a fungal infection of the nail causing yellow discoloration of the nail usually caused by a dermatophyte .Among the given drugs only terbinafine given orally. AMB given iv or lipososmal form. Ref:KDT 6/e 765', 'role': 'assistant'}]