Complaints of left ear pain

An 8-year-old girl comes to your ambulatory care clinic with complaints of left ear pain for the past 3 days. She had respiratory infection a week ago. On physical examination, the tympanic membrane is bulging.
Answer the following questions:
What else should you ask the client?
What teaching would you reinforce to prevent the recurrence of otitis media?
What expected outcomes would be specific to this situation?