Nasal Furuncle

Nasal furuncle is a staphylococcal infection of a hair follicle in the nasal vestibule, presenting with painful erythematous swelling, pustule, and risk of spreading to cavernous sinus (danger triangle). Treatment: warm compresses; topical mupirocin; systemic anti-staphylococcal antibiotics (cephalexin/clindamycin); do not squeeze/incise; treat fever/spreading cellulitis; monitor for orbital/intracranial extension; hand hygiene; treat nasal vestibulitis.

Common Symptoms

Painful nasal-vestibule pustule/swelling; erythema; risk of cavernous-sinus spread

Causes and Pathogenesis

S. aureus infects nasal-vestibule follicle; facial danger-triangle risk of intracranial spread.

Treatment

Warm compresses; topical mupirocin; systemic anti-staph antibiotics; do not squeeze; monitor spread

Preventive Measures

Hand hygiene; avoid nose picking; treat nasal vestibulitis.

Department to Visit

It is recommended to visit the ENT/Dermatology department; an appointment can be booked on this platform before the visit.

Warm reminder: The above information is for health science reference only and cannot replace professional medical diagnosis. If you have related symptoms, please seek medical attention at a regular hospital promptly.