Arcanobacterium haemolyticum
From IDWiki
Background
- Non-motile beta-hemolytic, Gram-positive curved bacillus
- May be Gram-variable
- Previously known as Corynebacterium haemolyticum
Clinical Manifestations
- Most commonly causes pharyngitis, particularly in children and young adults
- May have diphtheria-like tonsillar exudates
- Rash in 25-50%, which may be urticarial, macular, or maculopapular
- Typically on trunk and extremities, and spares the palms, soles, and face
- Next most common is skin and soft tissue infection, usually polymicrobial
- Also a case-reportable cause of meningitis, pneumonia, brain abscess, osteomyelitis, and peritonsillar abscess
Management
- Susceptible to most antibiotics, including penicillins, cephalosporins, carbapenems, tetracyclines, macrolides, lincosamides, and vancomycin
- Not reliably susceptible to co-trimoxazole
