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: Pharmacology
Carbamazepine has drug interaction with all of the following except: 
Select and explain. 
A. Erythromycin, B. Phenytoin, C. Doxycycline, D. Barbiturates
C: Doxycycline
Answer: C: Doxycycline 
Explanation: None