Which physical findings are characteristic of nonencapsulated (NTHi) Haemophilus influenzae infections?

Updated: Jun 11, 2021
  • Author: Joseph Adrian L Buensalido, MD; Chief Editor: Pranatharthi Haran Chandrasekar, MBBS, MD  more...
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Nonencapsulated H influenzae infections can manifest in various mucosal infections (eg, otitis media, conjunctivitis, sinusitis, bronchitis). An otitis media diagnosis is confirmed with pneumatic otoscopy. Conjunctivitis is usually bilateral and characterized by conjunctival hyperemia and purulent eye discharge.

NTHi strains can cause postpartum sepsis with ​endometritis, tuboovarian abscess, and chronic salpingitis.

Signs of invasive disease in neonates include sepsis, pneumonia, conjunctivitis, respiratory distress syndrome, scalp abscess, cellulitis, meningitis, congenital vesicular eruption, mastoiditis, and septic arthritis.

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