Conjunctivitis is inflammation of the tissue that covers the eye and lines the inside of the eyelid. It is called the conjunctiva.
Eye with Conjunctivitis
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There are many causes, such as:
The bacterial form is more common in children.
Things that may raise the risk are:
You will be asked about your symptoms and health history. An eye exam will be done. Eye discharge may be checked for signs of infection.
Treatment will depend on the cause.
Most forms of conjunctivitis clear up with time. Some people may be given antibiotic eye drops or ointment to treat the bacterial form. Antibiotics cannot treat the viral form.
Artificial tears may be used. Some may have antihistamines in them to further ease symptoms. These are found at many stores.
These methods may help ease problems:
To lower the chance of this problem:
American Optometric Association
Family Doctor—American Academy of Family Physicians
Canadian Ophthalmological Society
College of Family Physicians of Canada
Allergic conjunctivitis. EBSCO DynaMed website. Available at: https://www.dynamed.com/condition/allergic-conjunctivitis. Updated November 16, 2018. Accessed November 21, 2019.
Azari AA, Barney NP. Conjunctivitis: a systematic review of diagnosis and treatment. JAMA. 2013 Oct 23;310(16):1721-1729.
Infectious conjunctivitis. EBSCO DynaMed website. Available at: https://www.dynamed.com/condition/infectious-conjunctivitis. Updated February 7, 2019. Accessed November 21, 2019.
Pinkeye (conjunctivitis). Healthy Children—American Academy of Pediatrics website. Available at:
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Updated November 21, 2015. Accessed November 21, 2019.
Last reviewed September 2019 by
EBSCO Medical Review Board
James P. Cornell, MD
Last Updated: 8/18/2020