Contributor: Gordon K. Klintworth
Dacrocystitis is most commonly caused an infection [dacryocystitis - infectious] that spreads to the lacrimal sac from adjacent structures (conjunctiva, nose, and paranasal sinuses). Dacrocystitis is a common complication of conjunctivitis. It has been reported in 17% of patients with neonatal conjunctivitis [conjunctivitis - neonatal]. Dacrocystitis may be congenital [dacrocystitis - congenital] or acquired [dacrocystitis - acquired]. It may also be acute [dacrocystitis - acute] or chronic [dacrocystitis - chronic].