Deviated Septum: Symptoms & Signs

Medically Reviewed on 4/26/2021

A deviated septum is a common condition in which the thin wall between the nostrils of the nose is off-center (deviated to one side) or crooked. The wall is referred to as the nasal septum, and it is made up of cartilage and bone.

A deviated septum does not necessarily cause any symptoms or signs. When symptoms do occur, these can include

Nasal congestion that arises due to a deviated septum is usually more pronounced on one side than the other.

Causes of a deviated septum

A deviated septum may be present at birth or may develop during growth. Injuries or trauma to the nose or face are other causes of a deviated septum.

Other deviated septum symptoms and signs


Allergies can best be described as: See Answer

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Jameson, J. Larry, et al. Harrison's Principles of Internal Medicine, 20th Ed. New York: McGraw-Hill Education, 2018.