Acute rhinosinusitis / URI antibiotics
What the major U.S. guidelines recommend, with a link to verify each at the source. A quick-reference summary for clinicians, not medical advice.
IDSA / AAFP · 2012
Most acute rhinosinusitis is viral. Reserve antibiotics for: symptoms ≥10 days without improvement, severe onset (fever ≥39°C + purulent), or "double-worsening." First-line amoxicillin-clavulanate when indicated.
Verify at IDSA / AAFP →CDC · 2024
Antibiotic stewardship: avoid antibiotics for viral URIs and uncomplicated sinusitis.
Verify at CDC →