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| ==Background==
| | #REDIRECT[[Dacryocystitis]] |
| *Acute or chronic inflammation and bacterial infection of the lacrimal sac
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| **Most common pathogens: Strep. pneumoniae, staph. aureus, staph. epidermidis, h. influenzae
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| *Most common in children
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| *Often after viral URI
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| *Complications: peri-orbital cellulitis, orbital cellulitis
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| ==Clinical Features==
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| *Mucopurulent material expressed from nasolacrimal sac
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| *Erythema and edema between medial canthus and nasal bridge
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| ==Diagnosis==
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| *Physical exam
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| *May culture purulent material
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| ==DDx==
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| *Dacryocele
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| *Dacryostenosis
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| *Dacryoadenitis
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| ==Treatment==
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| *Oral clindamycin for 7-10 days
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| *If ill appearing - IV cephalosporin (cefuroxime 50 mg/kg IV Q8h or cefazolin 33 mg/kg IV Q6H) or clindamycin (10 mg/kg IV Q8H)
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| **If MRSA suspected - Vancomycin 10-13 mg/kg IV Q6-8 h
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| *Chronic dacryocystitis - topical ABX (fluoroquinolone or erythromycin)
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| *Consult ophthalmology
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| ==Sources==
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| Tintinalli 7th ed, p. 764; UpToDate
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