Conjunctivitis
Etiology
- Viral infection, e.g., adenovirus
 - Bacterial infection, e.g., Staphylococcus, Streptococcus, Haemophilus, Pseudomonas, Moraxella, Chlamydia, gonococci
 - Allergic conjunctivitis
 - Reactive arthritis (Reiter’s syndrome)
 - Keratoconjunctivitis sicca (dry eyes)
 - Chemical irritants
 - Systemic disease, e.g., measles, Kawasaki disease, epidemic or scrub typhus, trichinosis
 
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Last updated: January 12, 2015
Citation
Zeiger, Roni F.. "Conjunctivitis." Diagnosaurus, 4th ed., McGraw-Hill Education, 2015. Medicine Central, im.unboundmedicine.com/medicine/view/Diagnosaurus/114396/all/Conjunctivitis. 
Zeiger RFR. Conjunctivitis. Diagnosaurus. McGraw-Hill Education; 2015. https://im.unboundmedicine.com/medicine/view/Diagnosaurus/114396/all/Conjunctivitis. Accessed November 3, 2025.
Zeiger, R. F. (2015). Conjunctivitis. In Diagnosaurus (4th ed.). McGraw-Hill Education. https://im.unboundmedicine.com/medicine/view/Diagnosaurus/114396/all/Conjunctivitis
Zeiger RFR. Conjunctivitis [Internet]. In: Diagnosaurus. McGraw-Hill Education; 2015. [cited 2025 November 03]. Available from: https://im.unboundmedicine.com/medicine/view/Diagnosaurus/114396/all/Conjunctivitis.
* Article titles in AMA citation format should be in sentence-case
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Diagnosaurus

