A 4-day-old newborn presents with redness and tearing of one eye. Slight pressure over the lacrimal sac produces white discharge. The clinician should be aware that the following condition is common in newborns:
A. Conjunctivitis
B. Sinus infection
C. Dacryocystitis
D. Herpes infection
ANS: C
Dacryocystitis is an infection of the lacrimal sac and is most common in infants, secondary to congenital stenosis of the lacrimal duct. If the duct is occluded, constant tearing may occur. The lacrimal sac may be edematous, red, and tender. Pressure over the sac produces purulent discharge.
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