Hordeolum and Stye in Emergency Medicine Workup
- Author: Michael J Bessette, MD, FACEP; Chief Editor: Rick Kulkarni, MD more...
Laboratory Studies
- No laboratory studies are indicated for hordeolum.
- Colonization with noninvasive bacteria is common, and bacterial cultures of material from the area generally do not correlate with clinical improvement.
- Conjunctival bacteria culture results are positive in as many as 70% of asymptomatic persons with a hordeolum. S aureus is the most likely organism discovered, but cultures of the eyelid are more likely to obtain Staphylococcus epidermidis. For this reason, eye cultures are of little clinical value.
- Blood tests are of no value in a simple hordeolum, but generalized eyelid cellulitis requires a more complete evaluation. If the infection is not well localized, a CBC and blood culture are required, and ophthalmologic consultation is indicated.
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