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Febrile Illness Assessment and Management
Systematic clinical assessment of febrile children to identify the source and cause of fever, distinguish viral from bacterial illness, guide appropriate treatment, and identify children requiring hospital admission.
Overview
Overview
Febrile Illness Assessment and Management in children is the systematic clinical evaluation of a child presenting with fever to accurately distinguish the common benign self-limiting viral infections from the minority of children with serious bacterial infections requiring prompt antibiotic treatment and possible hospital admission. Fever is defined as a body temperature above 38 degrees C and is the single most common reason for emergency paediatric attendance. The NICE traffic light assessment system classifies children as low risk (green), intermediate risk (amber), or high risk (red) based on specific clinical features, directing the appropriate urgency and intensity of investigation and management.
Types of Febrile Illness Assessment and Management
- Upper respiratory tract infection assessment — the most common cause of fever in children; viral in the vast majority; managed with safety netting and antipyretics
- Urinary tract infection investigation — the most commonly missed serious bacterial infection in febrile children; requires urine dipstick and culture
- Community-acquired pneumonia assessment — bacterial or viral lower respiratory tract infection requiring chest X-ray and antibiotic treatment
- Meningitis and septicaemia emergency assessment — the most serious bacterial infection requiring immediate recognition and treatment
- Febrile convulsion assessment and management — evaluation of fever-triggered seizures in children aged 6 months to 5 years
Risk Factors of Febrile Illness Assessment and Management
- Age under 3 months where immature immune defences significantly increase the risk of serious bacterial infection including meningitis
- Incomplete immunisation history increasing vulnerability to vaccine-preventable serious bacterial infections including meningococcal disease
- Primary or secondary immunodeficiency dramatically increasing the risk of serious, unusual, and recurrent bacterial infections
- Structural urinary tract abnormality (vesicoureteric reflux) significantly increasing the risk of upper urinary tract infection
- Attendance at nursery or school with close contact with a confirmed case of invasive bacterial disease
- Recent international travel to regions where viral haemorrhagic fevers or other tropical infectious diseases are endemic
Symptoms of Febrile Illness Assessment and Management
- Temperature above 38 degrees C measured accurately with a digital thermometer in the axilla or ear
- Non-blanching petechial or purpuric rash appearing in a febrile child — a medical emergency requiring immediate 999 call
- High-pitched abnormal cry and bulging fontanelle in infants suggesting meningitis and requiring emergency assessment
- Extreme pallor, mottled or ashen skin, and reduced responsiveness suggesting septic shock and cardiovascular compromise
- Stiff neck, photophobia, and severe headache in older children and adolescents strongly suggesting bacterial meningitis
- Rapidly increasing respiratory rate, grunting, subcostal recession, and oxygen desaturation suggesting pneumonia
- Dysuria, urinary frequency, and offensive-smelling urine in older children suggesting urinary tract infection
- Rigors — uncontrollable shaking episodes — associated with bacteraemia and serious systemic bacterial infection
Key Benefits
Discover the advantages of choosing our febrile illness assessment and management services.
Traffic light system identifies high-risk children requiring immediate intervention preventing delayed sepsis diagnosis
Systematic urine testing detects UTI -- the most commonly missed bacterial diagnosis in febrile children
Immediate IV antibiotics within one hour for suspected sepsis significantly reduces sepsis mortality
Written safety netting enables parents to identify deterioration after discharge and return promptly
Avoiding unnecessary antibiotics for viral illness prevents antibiotic resistance and adverse effects
Clinical Features
The technology, techniques and clinical approach behind our febrile illness assessment and management.
NICE traffic light fever assessment applied at every paediatric fever assessment
Urine tested in all febrile children under 3 and in older children without an obvious alternative source
Blood cultures taken before antibiotic commencement in all children meeting sepsis criteria
Safety netting advice provided in writing specifying specific symptoms requiring 999 or immediate return
Antibiotic prescribing restricted to confirmed or high-probability bacterial infections
Preparation Instructions
Children with fever should not be brought to planned outpatient appointments -- contact the paediatric assessment unit or GP for urgent same-day assessment. Give age-appropriate paracetamol or ibuprofen to reduce fever and improve comfort before travel. Do not overdress the child.
The Procedure
Step-by-step guide to what you can expect during your febrile illness assessment and management procedure.
NICE Traffic Light Fever Assessment
The NICE traffic light system classifies febrile children as green (low risk) amber (intermediate) or red (high risk -- non-blanching rash bulging fontanelle sepsis signs) -- immediately directing the urgency and intensity of investigation.
Vital Signs and Clinical Examination
Temperature heart rate respiratory rate and oxygen saturation are measured. Capillary refill time is tested centrally. Colour activity level hydration status and alertness are assessed. Ears throat chest abdomen and skin are systematically examined.
Investigations Based on Risk Assessment
Green children with an identifiable viral source require no investigations. Amber features prompt FBC CRP blood cultures and urine culture. Red features require immediate blood cultures and empirical IV antibiotic treatment.
Urine Dipstick and Culture
A clean-catch urine sample is tested by dipstick for leucocytes and nitrites. UTI is the most commonly missed bacterial diagnosis in febrile children -- urine must be tested in all febrile children under 3 and in older children without an obvious alternative source.
Antibiotic Prescribing Decision
Antibiotic prescribing follows strict guidelines -- antibiotics are not prescribed for viral infections. Bacterial infections require the appropriate targeted antibiotic at the correct dose for the child's weight.
Safety Netting and Discharge Advice
All families receive written safety netting advice specifying symptoms requiring immediate 999 call and return to the emergency department. A clear review plan is provided for children discharged from ambulatory care.
What to Expect
The paediatrician assesses the child's colour, activity level, respiratory rate, heart rate, hydration, and skin for rash. The ears, throat, chest, and abdomen are examined. Blood tests, urine, and chest X-ray are performed based on the clinical findings. A decision on antibiotic treatment and need for admission is made based on the full assessment.
Recovery
Ensure your child drinks adequate fluids. Continue regular paracetamol and ibuprofen at the correct dose and interval. Return immediately to the emergency department if the fever is not responding to antipyretics, the child develops a non-blanching rash, becomes very drowsy and difficult to rouse, develops a stiff neck, or you are concerned at any time.
Frequently Asked Questions
Common questions about febrile illness assessment and management.
Related Services
Explore other services in our Pediatrics department.
Neonatal Assessment and Care
Childhood Immunisation Programme
Pediatric Development Assessment
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