A young boy of 18 years gets recurrent busts of otitis externa after swimming. Which of the following methods should be recommended?: (A) Not to swim, (B) Use 2% acetic acid after swimming, (C) Use ear drops containing an antibiotic and steroid, (D) Use an antifungal ear drops after swimming
Answer is B. Use of 2% acetic acid or dilute alcohol is the most-effective method to prevent otitis externa after swimming. Antibiotic, antifungal or steroid containing drugs are not recommended for prophylaxis.