What is a common predisposing factor for pre-septal cellulitis?

A common predisposing factor for pre-septal cellulitis is an upper respiratory tract infection. This condition, characterized by the inflammation of the tissue surrounding the eye, often develops as a secondary complication following an upper respiratory infection, particularly in children. The proximity of the sinuses to the ocular region allows for the potential spread of infection from the upper respiratory tract to the surrounding orbital tissues.

Infections such as sinusitis can lead to congestion and inflammation, creating an environment where bacteria can easily spread to adjacent areas, including the eyelids and soft tissues around the eyes. Therefore, the presence of an upper respiratory tract infection significantly increases the risk of developing pre-septal cellulitis, making it a critical predisposing factor to be aware of in clinical settings.

Other factors may contribute to the individual’s overall health and susceptibility to infections, but upper respiratory infections are specifically linked to the onset of pre-septal cellulitis due to their pathophysiological connection.