Diagnosaurus
Pharyngitis
DDx
Don’t miss
- Acute HIV infection
DDX
- Viral, eg, adenovirus, herpes simplex virus (HSV)
- Group A streptococci
- Infectious mononucleosis
- Gonorrhea
- Mycoplasma
- Chlamydia pneumoniae
- Influenza
- Diphtheria
- Necrotizing gingivostomatitis (Vincent’s angina, trench mouth)
- Arcanobacterium haemolyticum
Other causes of sore throat
- Peritonsillar abscess
- Oral candidiasis
- Epiglottitis
- Acute HIV infection
- Dry mouth (xerostomia)
- Nasopharyngeal carcinoma
- Glossopharyngeal neuralgia
- With rash: meningococcemia, toxic shock syndrome, drug eruption, viral exanthem
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Last updated: February 24, 2015
Citation
Zeiger, Roni F.. "Pharyngitis." Diagnosaurus, 4th ed., McGraw-Hill Education, 2015. Emergency Central, emergency.unboundmedicine.com/emergency/view/Diagnosaurus/114357/all/Pharyngitis.
Zeiger RFR. Pharyngitis. Diagnosaurus. McGraw-Hill Education; 2015. https://emergency.unboundmedicine.com/emergency/view/Diagnosaurus/114357/all/Pharyngitis. Accessed October 31, 2025.
Zeiger, R. F. (2015). Pharyngitis. In Diagnosaurus (4th ed.). McGraw-Hill Education. https://emergency.unboundmedicine.com/emergency/view/Diagnosaurus/114357/all/Pharyngitis
Zeiger RFR. Pharyngitis [Internet]. In: Diagnosaurus. McGraw-Hill Education; 2015. [cited 2025 October 31]. Available from: https://emergency.unboundmedicine.com/emergency/view/Diagnosaurus/114357/all/Pharyngitis.
* Article titles in AMA citation format should be in sentence-case
TY - ELEC
T1 - Pharyngitis
ID - 114357
A1 - Zeiger,Roni F,
Y1 - 2015/02/24/
BT - Diagnosaurus
UR - https://emergency.unboundmedicine.com/emergency/view/Diagnosaurus/114357/all/Pharyngitis
PB - McGraw-Hill Education
ET - 4
DB - Emergency Central
DP - Unbound Medicine
ER -
