Ch. 18: Otitis Media and Otitis Externa

Question 1

What are the three most frequently isolated bacteria from middle ear fluid?

Answer 1

1. Streptococcus pneumoniae
2. Haemophilus influenzae (nontypable)
3. Moraxella catarrhalis

(Less frequent include group A Streptococcus and Staphylococcus aureus)

Question 2

Which drug is considered first line therapy for the patient with severe symptoms of acute otitis media (AOM)-and have not been treated with this in the past 30-days?hn l lol Co X give

Answer 2

Amoxicillin

*For those who have recent amoxicillin, treat with combination amoxicillin-clavulanate.

Question 3

What drug should be chosen to treat AOM infection with severe symptoms if patient has a penicillin allergy?

Answer 3

A second or third generation cephalosporin.

Cefuroxime-2nd generation

Cefdinir or cefpodoxime-3rd generation

Ceftriaxone (Roceohin) 1-dose IM injection (3rd generation)

Question 4

Which immunizations are pertinent to the prevention of AOM and should be followed to minimize incidence of this preventable disease?

Answer 4

1. Pneumococcal vaccine
2. H. influenzae type B vaccine
3. Influenza vaccine