This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Nose and PNS, Subject name: ENT
Drugs used in the treatment of rhinoscleroma include all except: 
Select and explain. 
A. Streptomycin, B. Ciprofloxacin, C. Tetracycline, D. Erythromycin
D: Erythromycin
Answer: D: Erythromycin 
Explanation: Drugs used for treatment of rhinoscleroma are streptomycin (1g/day), ciprofloxacin (Ig/day)or tetracycline (2g/day). Treatment is continued till clinical improvement and negative tissue cultures are obtained.