Target intelligence / Profile preview

Non-typeable Haemophilus influenzae (NTHi)

Target
NTHi
Molecular classification
Bacterium, Gram-negative, Family Pasteurellaceae
01

Overview

Non-typeable Haemophilus influenzae (NTHi) is a small, Gram-negative, acapsulate coccobacillus that commonly colonizes the human upper respiratory tract. It lacks a polysaccharide capsule, making it "non-typeable." NTHi primarily acts as an opportunistic pathogen, causing diseases like otitis media, sinusitis, bronchitis, and pneumonia. Its pathogenicity is attributed to adhesion mechanisms, immune evasion, and surface-exposed moonlighting proteins. Treatment involves antibiotics tailored to the site and severity of the infection.

Other names
Haemophilus influenzae (non-typeable)Unencapsulated Haemophilus influenzae
02

Mechanism of action

N/A

03

Biological functions

ColonizationAdhesionBiofilm formationImmune evasionInfection
04

Disease associations

Acute otitis mediaSinusitisBronchitisExacerbations of chronic obstructive pulmonary disease (COPD)Community-acquired pneumoniaMeningitisSepticemia
05

Safety considerations

Antibiotic resistance
06

Interacting drugs

Antibiotics

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