Pink eye
Pink eye, or conjunctivitis, is inflammation of the thin lining over the eye and inside the eyelid. Infection, allergy, and irritation are different possible causes, so similar-looking eyes may need different evaluations.
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BEYOND THE DEFINITION
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Understanding the basics can help you ask.
Redness and discharge may look similar even when the cause differs. Infection, allergies, and irritation from contact lens products can all contribute. Some infectious forms spread between people, while an allergic reaction is a different problem. The label pink eye does not settle the treatment. [1]
Eye pain, light sensitivity, intense redness, or blurred vision that persists after discharge is cleared should be assessed by a healthcare professional. Worsening symptoms also need review. Stop wearing contact lenses while symptoms are present and ask when it is appropriate to restart. [2]
ALSO WORTH KNOWING [1]
Changes in vision or significant eye pain should not be assumed to be routine pink eye. [1]
THE CLINICAL CONVERSATION
A clinician considers your symptoms and history while examining the eye; a sample is sometimes needed. Contact lens use and immune suppression are important to mention. Examination needs may require in-person care, and antibiotic drops are not an automatic answer for every red eye. [2]
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Prepare for a care conversationTHREE QUESTIONS TO BRING
A FEW STRAIGHT ANSWERS
General information to help you prepare for a conversation about your own health.
No. Infections can spread between people, but allergies or irritating substances can also cause conjunctivitis. Knowing the cause helps guide precautions and the treatment discussion. [1]
No. Antibiotics do not treat viruses. A clinician may recommend them for selected bacterial cases, while allergic and other causes need a different approach. [2]
CONNECT THE DOTS
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References checked November 7, 2026. This content has not been clinically reviewed for Northguard.
