This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Medicine
Chronic hepatitis of moderate to severe nature can be a result of treatment with: 
Select and explain. 
A. INH, B. Sulfonamides, C. Estrogens, D. Erythromycin
A: INH
Answer: A: INH 
Explanation: Oxyphenisatin, methyldopa, and isoniazid have been associated with moderate to severe chronic hepatitis. Ref: Harrisons Principles of Internal Medicine, 18th Edition, Page 2561