Which Are Components of Otitis Externa Management? (Select All That

Which are components of otitis externa management? (Select all that apply.)

A) Ciprofloxacin and hydrocortisone otic drops
B) Cleaning the ear canals with a cotton-tipped applicator
C) Keeping the external ear canal dry after swimming
D) Taking systemic antibiotics, such as amoxicillin/clavulanate [Augmentin]
E) Using a solution of alcohol and acetic acid to dry and acidify the ear