Ethmoiditis

Definition

Ethmoiditis is an infection of the ethmoidal cells in the sinuses. These are the air-filled spaces behind the nose and between the eyes.

Ethmoiditis is a type of sinusitis.

Causes

Bacteria cause most ethmoid sinus infections. Some types of fungus and viruses can also be involved.

Symptoms

Symptoms usually include a headache between the eyes and a runny nose.

Symptoms of more serious infections can include:

  • Vision loss
  • Double vision
  • Redness or bulging of the eyes

Images

Sinuses

References

Benninger MS, Stokken JK. Acute rhinosinusitis: pathogenesis, treatment, and complications. In: Flint PW, Haughey BH, Lund V, et al, eds. Cummings Otolaryngology: Head & Neck Surgery. 6th ed. Philadelphia, PA: Elsevier Saunders; 2015:chap 46.

Borish L. Allergic rhinitis and chronic sinusitis. In: Goldman L, Schafer AI, eds. Goldman-Cecil Medicine. 25th ed. Philadelphia, PA: Elsevier Saunders; 2016:chap 251.

Review Date: 
8/1/2017
Reviewed By: 
Ashutosh Kacker, MD, FACS, Professor of Clinical Otolaryngology, Weill Cornell Medical College, and Attending Otolaryngologist, New York-Presbyterian Hospital, New York, NY. Review provided by VeriMed Healthcare Network. Also reviewed by David Zieve, MD, MHA, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team.

Related Health Topics