H. influenzae PNA

Preferred IV Therapy

Oral Therapy

If amoxicillin-susceptible:

If amoxicillin-resistant:

Severe Beta-lactam Allergy

Amoxicillin resistance is ~25%; use ceftriaxone until sensitivities are known

Azithromycin duration is 500mg DAILY x 3 days or 500mg on day 1, followed by 250mg DAILY for 4 days. Longer durations are only indicated for Legionella

Do not use first generation cephalosporins