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Pink eye (conjunctivitis)
Pink eye is an inflammation of the transparent membrane that lines the eyelid and eyeball. This membrane is called the conjunctiva. When small blood vessels in the conjunctiva become swollen and irritated, they're more visible. This is what causes the whites of the eyes to appear reddish or pink. Pink eye also is called conjunctivitis.
Pink eye is most often caused by a viral infection. It also can be caused by a bacterial infection, an allergic reaction or — in babies — an incompletely opened tear d...
When to seek medical or mental health expertAlways seek the advice of your physician or other qualified health provider with any questions you may have regarding your health. Never disregard professional medical advice or delay in seeking it because of something you have read on the community.The most common pink eye symptoms include:
- Redness in one or both eyes.
- Itchiness in one or both eyes.
- A gritty feeling in one or both eyes.
- A discharge in one or both eyes that forms a crust during the night that may prevent your eye or eyes from opening in the morning.
- Tearing.
- Sensitivity to light, called photophobia....
Causes of pink eye include:
- Viruses.
- Bacteria.
- Allergies.
- A chemical splash in the eye.
- A foreign object in the eye.
- In newborns, a blocked tear duct.
Viral and bacterial conjunctivitis
Most cases of pink eye are caused by adenovirus but also ca...
Pink eye treatment is usually focused on symptom relief. Your provider may recommend:
- Using artificial tears.
- Cleaning your eyelids with a wet cloth.
- Applying cold or warm compresses several times daily.
If you wear contact lenses, you'll be advised to stop wearing them until treatment is complete. Your provider will likely recommend that you throw out soft contacts you've already worn....
Preventing the spread of pink eye
Practice good hygiene to control the spread of pink eye. For instance:
- Don't touch your eyes with your hands.
- Wash your hands often.
- Use a clean towel and washcloth daily.
- Don't share towels or washcloths.
- Change your pillowcases often.
- Throw away old eye cosmetics, such as mascara....
For informational purposes only and not a substitute for professional medical advice, diagnosis, or treatment.
© Mayo Clinic
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Influenza (flu) Common cold Norovirus infection Allergic conjunctivitis
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