Which physical findings suggest cellulitis in patients with Haemophilus influenzae infections?

Updated: Jul 02, 2019
  • Author: Joseph Adrian L Buensalido, MD; Chief Editor: Pranatharthi Haran Chandrasekar, MBBS, MD  more...
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Answer

The clinical features are fever and a raised, indurated, tender area with indistinct margins mostly on the head and neck, particularly the buccal and preseptal areas. This is often caused by contiguous sinus disease. The indurated area may progress to a violaceous hue, although this is not specific to Hib.

Orbital cellulitis may also occur and is distinguished from preorbital cellulitis based on the presence of proptosis, chemosis, impaired vision, limitation of extraocular movements, and pain with eye movement. A secondary focus of infection, including meningitis, is evident in 10-15% of patients with orbital cellulitis.


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