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Acute tonsillitis management

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acute tonsillitis

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PMID: 36868289

Based on the medical library and current evidence, here's a comprehensive guide to acute tonsillitis management:

Clinical Diagnosis

Acute tonsillitis presents with a short history of sore throat, fever, and pain on swallowing (dysphagia). Examination typically reveals:
  • Erythema of the tonsils and posterior pharyngeal wall
  • Exudates on the tonsils (occasionally)
  • Tender jugulodigastric lymph node enlargement
  • Possible referred otalgia and general malaise
Causative organisms: Group A beta-hemolytic streptococcus (GABHS/Streptococcus pyogenes) causes approximately half of cases; the remainder are viral (including infectious mononucleosis) or other bacteria/anaerobes.
Diagnostic note: Viral exudates don't indicate a bacterial cause—fewer than 15% of cases with visible exudates are actually GABHS. Throat culture is the gold standard; rapid antigen detection tests (RADTs) have sensitivity of 60-80% and specificity around 90%.

Management Approach

Initial Conservative Management

The mainstay is symptomatic treatment while awaiting clinical improvement:
  • Analgesia: Paracetamol and other analgesics for pain relief
  • Hydration: Adequate fluid intake
  • Saline gargles: Soothing effect
  • Watchful waiting: Most cases resolve quickly without treatment (both viral and bacterial tend to self-resolve)

Antibiotic Therapy

When to start antibiotics:
  • If symptoms show no improvement within 48-72 hours
  • If there is clinical concern about disease severity at presentation
First-line agents:
  • Benzyl-penicillin or phenoxymethylpenicillin (penicillin V) are drugs of choice
  • Avoid ampicillin due to rash risk in infectious mononucleosis
Duration: Until antibiotic sensitivities are confirmed; most cases resolve within a few days.

Adjunctive Corticosteroids

Evidence supports corticosteroid use (oral or intramuscular) in addition to antibiotics—they:
  • Provide symptomatic relief of pain, especially in severe cases
  • Expedite resolution of symptoms
  • Are particularly beneficial when added to antibiotic therapy

Complications

Local complications include septicemia and abscess formations (e.g., peritonsillar abscess/quinsy).
Post-streptococcal sequelae (non-infective): Rheumatic fever and glomerulonephritis.

Special Considerations

Peritonsillar abscess (quinsy): Presents with severe, usually unilateral sore throat, odynophagia, and trismus. Early-stage treatment with intravenous broad-spectrum antibiotics may resolve the abscess; if frank abscess formation occurs, incision and drainage under local anesthesia is needed.
Symptomatic therapy for viral cases: Since most cases are viral and antibiotics don't help, complementary therapies with demonstrated symptom improvement include herbal preparations (BNO 1030/Impupret, EPs 7630/Umckaloabo) and homeopathic remedies, though evidence quality remains limited. [Systematic Review. 2023. PMID: 36868289]

Summary of Decision Points

  1. First presentation: Supportive care (rest, fluids, analgesics, gargles)
  2. At 48-72 hours with no improvement OR severe presentation: Start penicillin-based antibiotic
  3. Severe cases: Add corticosteroids
  4. Signs of abscess: Early IV antibiotics; proceed to drainage if abscess persists
  5. Suspected infectious mononucleosis: Avoid ampicillin; support care and serology confirmation
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