Ethmoiditis is an infection or inflammation 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.
Bacteria cause most ethmoid sinus infections. Some types of fungus and viruses can also be involved.
Symptoms usually include:
Symptoms of more serious infections can include:
Published Date: August 31, 2021
Published By: Josef Shargorodsky, MD, MPH, Johns Hopkins University School of Medicine, Baltimore, MD. Also reviewed by David Zieve, MD, MHA, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team.
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DeMuri GP, Wald ER. Sinusitis. In: Bennett JE, Dolin R, Blaser MJ, eds. Mandell, Douglas, and Bennett's Principles and Practice of Infectious Diseases. 9th ed. Philadelphia, PA: Elsevier; 2020:chap 62.