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
all the following drugs are renal toxic except ? 
Select and explain. 
A. tetracycline, B. tigecycline, C. minocycline, D. doxycycline
B: tigecycline
Answer: B: tigecycline 
Explanation: TIGECYCLINE : Its a glycycline compound similar to tetracycline uses : plague,mycoplasma,ricketessia,borellia, vrsa it is resistent to efflux excreated by bile so reno safe drug ref : kd tripathi 8th ed