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: Unknown
Medical treatment of choice in otosclerosis is: 
Select and explain. 
A. Sodium fluoride, B. anti-histaminics, C. Cinnarazine, D. None of the above
A: Sodium fluoride
Answer: A: Sodium fluoride 
Explanation: Medical treatment of choice in otosclerosis is sodium fluoride therapy especially in patients with active focus.