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.
Dengue Severity (WHO 2009): Identify warning signs and severe dengue criteria from the WHO 2009 framework.
Abdominal pain or tenderness
+1 Points
Persistent vomiting
Clinical fluid accumulation
+2 Points
Mucosal bleeding
Shock / severe plasma leak
+3 Points
Severe organ involvement
Assessment Tier
Score 0
No major warning sign selected.