Peritonsillar abscess

Keywords: Quinsy, Tonsillar abscess

Causes

Appropriate Tests

Bacterial infection

  • Streptococcus pyogenes
  • Streptococcus 'milleri'
  • Bacteroides spp
  • Fusobacterium spp
  • Peptostreptococcus spp

Throat swab, MCS pus (pus obtained by needle aspiration or operative drainage).

While some infections are caused by Streptococcus pyogenes alone, many are anaerobic and polymicrobial so culture for anaerobes should be performed.