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
Which of the following statements about terbinafine is FALSE ? 
Select and explain. 
A. It's activity is restricted to dermatophytes, B. It is effective in onychomycosis, C. It inhibits squalene epoxidase, D. It is used topically only
D: It is used topically only
Answer: D: It is used topically only 
Explanation: None