Fever Symptoms: Common Signs and Red Flags

Fever (temperature ≥38°C/100.4°F) commonly accompanies:

• Chills/shivering, sweating
• Headache, myalgia, fatigue
• Anorexia, nausea/vomiting, diarrhea
• Tachycardia, tachypnea
• Dry mouth, confusion (especially elderly)

Etiology-Specific Symptoms

• URI: sore throat, cough, rhinorrhea, sinus pain
• UTI: dysuria, flank pain
• Skin/soft tissue: rash, joint pain, wound signs

Severe Complications (Emergency)

• Febrile seizure (children 6mo–5yr)
• Hyperpyrexia (>41.5°C/106.7°F) → risk of brain injury
• Sepsis signs: hypotension, altered mental status, oliguria

Treat underlying cause; antipyretics (acetaminophen/ibuprofen) for comfort. Hydration is critical.