What is it?
Dacryocystitis is an inflammation of the lacrimal sac, generally caused by bacterial infection in the setting of an .
It is most common in infants whose nasolacrimal passage has not opened normally.
In adults, dacryocystitis is the result of chronic sinusitis, facial trauma, or (rarely) neoplasm.
How does it present?
With a red mound overlying the lacrimal sac and swelling and redness of the surrounding lid tissue. A mucopurulent discharge may ooze out of the lower punctum if you press on the mound.
What to do?
Consult an ophthalmologist promptly. Treatment consists of broad-spectrum systemic antibiotics if the infection is acute. Incision and drainage may be necessary.