🌡️ Fever
🧠
Top Differentials
- Viral infection (URTI, viral fever)
- Urinary tract infection
- Pneumonia
- Meningitis
- Sepsis
🔍
Key Distinguishing
- Viral: well-appearing + URI symptoms
- UTI: fever without source (especially infants)
- Meningitis: neck stiffness / altered mental state
🧪
First Investigation
- Urinalysis + urine culture
- CBC + CRP
- Blood culture if unwell
🚨
Dangerous — Don't Miss
Sepsis / meningitis in <3 months