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Otolaryngology (ENT)5 papers

Tonsillitis caused by Gram negative bacteria

Last edited: 4/15/2026

Overview

Tonsillitis caused by Gram-negative bacteria is an inflammatory condition of the tonsils primarily due to pathogens such as Haemophilus influenzae, Escherichia coli, and Neisseria meningitidis. It presents with symptoms like sore throat, fever, and tonsillar exudates, often requiring targeted antibiotic therapy 1.

Diagnosis

  • Clinical presentation including sore throat, fever, and visible tonsillar swelling or exudates
  • Throat swab for Gram stain and culture to identify Gram-negative bacteria 1
  • White blood cell count may show neutrophilia 1
  • Management

  • First-line treatment: Antibiotics targeting Gram-negative bacteria, such as amoxicillin-clavulanate or a third-generation cephalosporin (e.g., ceftriaxone) 1
  • Adjunctive treatments: Symptomatic relief with analgesics (e.g., acetaminophen or ibuprofen) and hydration 1
  • Consider surgical intervention: For recurrent or severe cases, tonsillectomy may be considered, though timing (weekend vs weekday) does not significantly affect post-operative hemorrhage rates 1
  • Special Populations

  • Pediatrics: Similar management principles apply, with careful monitoring for complications and adherence to pediatric dosing guidelines 1
  • Elderly: Increased vigilance for systemic complications and antibiotic sensitivities; consider comorbidities when selecting antibiotics 1
  • Comorbidities: Patients with underlying conditions like immunodeficiency may require broader spectrum antibiotics and closer follow-up 1
  • Key Recommendations

  • Initiate empirical antibiotic therapy targeting Gram-negative bacteria for confirmed or highly suspected cases of tonsillitis (Evidence: Moderate 1)
  • Monitor for post-tonsillectomy hemorrhage equally regardless of weekday or weekend surgery timing (Evidence: Weak 1)
  • Tailor antibiotic choice in elderly patients and those with comorbidities to account for potential drug interactions and sensitivities (Evidence: Expert opinion 1)
  • References

    1 Patel A, Foden N, Rachmanidou A. Is weekend surgery a risk factor for post-tonsillectomy haemorrhage?. The Journal of laryngology and otology 2016. link

    Original source

    1. [1]
      Is weekend surgery a risk factor for post-tonsillectomy haemorrhage?Patel A, Foden N, Rachmanidou A The Journal of laryngology and otology (2016)

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