This tool supports structured infectious-disease decision making but does not replace clinician judgement or local guideline pathways.
This OpiCalc infectious-disease entry reflects commonly used guideline criteria and bedside risk features used in contemporary clinical practice.
Peritonsillar Abscess Score: Red-flag symptom cluster supporting peritonsillar abscess rather than uncomplicated tonsillitis.
Trismus
+2 Points
Hot-potato voice
Uvula deviation
Drooling or inability to swallow saliva
Unilateral tonsillar swelling
+1 Points
High fever or toxicity
Assessment Tier
Score 0
Findings are less typical for abscess.