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Acute Rhinosinusitis Severity (EPOS Criteria)

Classifies acute rhinosinusitis severity and guides antibiotic prescribing based on EPOS 2020 guidelines.

Score interpretation

Mild viral rhinosinusitis

→ Symptomatic treatment: saline irrigation, decongestants, analgesia; no antibiotics; review if not improving in 10 days

Moderate post-viral or bacterial sinusitis

→ Consider antibiotics if no improvement after 5 days of post-viral: amoxicillin 500mg TDS 5 days; intranasal corticosteroids; ENT referral if recurrent

Severe or complicated sinusitis

→ IV antibiotics; urgent ENT; CT sinuses; assess for orbital/intracranial complications; consider hospital admission

Interpretation bands for the Rhinosinusitis Score. Apply clinical judgement and local guidance.

References

Related

Curated clinical cross-links plus same-class fallbacks.

Decision support only — verify against a current formulary, NICE, or your local guideline before clinical use.