For clinical reference only — does not replace local trust guidelines or clinical judgement.
Clinical Presentations

Fever

Fever

🚨 Life-Threatening — exclude first
If suspected, escalate now.
Sepsis / Septic Shock
Neutropenic Sepsis
Meningitis
Necrotising Fasciitis
Endocarditis
🚨

Dangerous Causes Causes

SepsisNeutropenic SepsisMeningitisNecrotising FasciitisEndocarditis
🦠

Infectious Causes

PneumoniaUTI / PyelonephritisCellulitisIntra-abdominal InfectionLine / device infectionViral illness
💊

Drug Causes

Drug FeverNeuroleptic Malignant SyndromeTransfusion reaction
🧠

Other Causes

Autoimmune / connective tissue diseaseMalignancy (lymphoma)VTE