Dacryocystitis

- Unilateral inflammation of lacrimal sac due to obstruction of the flow of tears from the sac.

- May progress to periorbital/orbital cellulitis.

Acute

- Collect exudate from lacrimal punctum for C&S.

   Infants:

• 50% resolve spontaneously by 12-18 months.
• If chronic consider probing (after 1 year of age).

   Adults (usually > 40 years):

• Usually requires systemic therapy.
• Chronic or recurrent cases usually require dacryocystorhinostomy.

S. aureus
S. pneumoniae
H. influenzae
S. pyogenes
P. aeruginosa

Infants

Adults