811 W. John Street, Yorkville, IL 60560
For 24/7 Mental or Public Health Emergencies, call 630-553-9100
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Conjunctivitis – Pink Eye


Conjunctivitis is inflammation of the transparent, mucous membrane(conjunctiva) covering the white part of the eye and the inner surface of the eyelid. The most common causes of conjunctivitis(pink eye) are viruses, bacteria, and allergens. Bacterial Conjunctivitis is caused by infection of the eye with certain bacteria, such as Staphylococcus aureus, Streptococcus pneumoniae, Haemophilus influenza. Viral Conjunctivitis can be caused by a number of different viruses, such as adenoviruses. Allergic Conjunctivitis is caused as a result of the body's reaction to allergens, such as pollen from trees, plants, grasses, and weeds; dust mites; molds; dander from pets; and cosmetics.

Incubation Period

Time of contact until the development of signs and symptoms is usually 24 to 72 hours (bacterial).


Contact with discharges from infected persons through contaminated fingers, clothing, towels, shared eye make-up applicators, and multiple-dose eye medications. Both viral and bacterial conjunctivitis are highly contagious.

Period of Communicability

Use of Universal / Standard Precautions and frequent hand washing. Avoid touching/rubbing eyes. Implement good personal hygiene. Towels, wash cloths and pillowcases should not be shared and should be laundered.

Implications for School

Exclude student from school until symptoms resolve or a note from healthcare provider clears the student to return to school. Notify Student Health Services, at #__________________ to report illness.

*This is not reportable to LHD per state regulations.

Serving the Residents of Kendall County Since 1966
811 W. John Street, Yorkville, IL 60560   •   630-553-9100