Cavernous Sinus Thrombosis
Cavernous sinus thrombosis is a blood clot in a large vein at the base of the skull, usually from facial or sinus infection. It is rare but life-threatening, requiring urgent IV antibiotics and sometimes anticoagulation.
Table of Contents
Quick Facts
- ICD-10: G08
- Severity: Life-threatening emergency
Emergency Warning
Seek emergency care for:
- Severe headache with fever
- Swelling, redness, and pain around one eye
- Bulging eye, drooping eyelid, double vision
- Following a facial infection (especially around nose, mouth, sinus)
Causes
- Sinusitis, especially sphenoid sinus
- Facial cellulitis or abscess (do not squeeze pimples in the danger triangle)
- Dental infections
- Ear or mastoid infections
Treatment
- Hospitalization with high-dose IV antibiotics
- Anticoagulation in selected cases
- Treatment of source of infection (drainage)
- Supportive care
Medical Disclaimer: This information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always consult a qualified healthcare provider with questions about a medical condition. If you are experiencing a medical emergency, call your local emergency number immediately.
References
- Infectious Diseases Society of America. CNS Infection Resources.