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Acute Sore Throat

Bacterial infections

• Streptococcal pharyngitis (Strep Throat)
• Neisseria gonorrhoeae
• Diphtheria (C. diptheriae)
• Bacterial Tracheitis

Viral infections

• Infectious mononucleosis (EBV)
  • Patients with peritonsillar abscess have a 20% incidence of mononucleosis
• Laryngitis
• Acute Bronchitis
• Rhinovirus
• Coronavirus
• Adenovirus
• Herpesvirus
• Influenza virus
• Coxsackie virus
  • Herpangina
  • Hand-foot-and-mouth disease
• HIV (Acute Retroviral Syndrome)

Noninfectious

• Stevens-Johnson Syndrome
• Pemphigus
• Angioedema

Other

• Deep neck space infection
  • Retropharyngeal abscess
  • Ludwig's angina
  • Parapharyngeal space infection
• Peritonsillar Abscess (PTA)
• Epiglottitis
• Kawasaki disease
• Penetrating injury
• Caustic ingestion
• Lemierre's syndrome
• Peritonsillar cellulitis
• Lymphoma
• Internal carotid artery aneurysm
• Oral Thrush
• Parotitis
• Post-tonsillectomy hemorrhage
• Vincent's angina
• Acute necrotizing ulcerative gingivitis

Melio, Frantz, and Laurel Berge. “Upper Respiratory Tract Infection.” In Rosen’s Emergency Medicine., 8th ed. Vol. 1, n.d.