Pink Eye (Conjunctivitis)
Inflammation or infection of the transparent membrane (conjunctiva) that lines your eyelid and covers the white part of your eyeball, causing redness, itching, and discharge.
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Statistics & Prevalence
Pink eye affects about 6 million Americans each year. It's one of the most common reasons for school absences in children. Viral conjunctivitis accounts for up to 80% of all acute conjunctivitis cases. Bacterial conjunctivitis accounts for 50-75% of cases in children. The condition costs the US healthcare system approximately $857 million annually.
What is Pink Eye (Conjunctivitis)?
Why Pink Eye (Conjunctivitis) Happens
Common Symptoms
- Pink or red color in the white of eye
- Swollen conjunctiva or eyelids
- Excessive tearing
- Feeling like something is in your eye
- Itching or burning sensation
- Discharge (watery, mucus, or pus)
- Crusting of eyelids/lashes in morning
- Light sensitivity (photophobia)
- Blurred vision from discharge
- Swollen lymph node near ear (viral)
Possible Causes
- Viruses (adenovirus most common)
- Bacteria (Staphylococcus, Streptococcus, Haemophilus)
- Allergies (pollen, pet dander, dust mites)
- Chemical irritants (chlorine, smoke, cosmetics)
- Contact lens irritation or infection
- Foreign object in eye
- Blocked tear duct (in newborns)
- Sexually transmitted infections (gonorrhea, chlamydia)
Note: These are potential causes. A healthcare provider can help determine the specific cause in your case.
Quick Self-Care Tips
- 1Apply cool or warm compresses to closed eyes for comfort
- 2Clean eyelids gently with clean, damp cloth
- 3Use preservative-free artificial tears to soothe irritation
- 4Stop wearing contact lenses until infection clears
- 5Avoid touching or rubbing eyes
- 6Wash hands frequently with soap and water
- 7Discard old eye makeup and don't share cosmetics
- 8Stay home from school/work while contagious (viral/bacterial types)
- 9Replace contact lens case and solution after infection clears
Disclaimer: These are general wellness suggestions, not medical treatment recommendations. They may help manage symptoms but should not replace professional medical care.
Home Remedies & Natural Solutions
Cool or Warm Compresses
Apply to closed eyes several times daily for comfort and to reduce swelling
Clean Eyelids
Gently clean with a clean, damp cloth to remove discharge and crusting
Artificial Tears
Use preservative-free drops to soothe irritation and flush out irritants
Remove Contact Lenses
Stop wearing contacts until infection completely clears
Hand Hygiene
Wash hands frequently to prevent spreading infection
Note: Home remedies may help relieve symptoms but are not substitutes for medical treatment. Consult a healthcare provider before trying any new remedy, especially if you have underlying health conditions.
Evidence-Based Treatment
Risk Factors
- Close contact with someone who has pink eye
- Exposure to allergens (seasonal or environmental)
- Wearing contact lenses, especially extended-wear
- Not cleaning contacts properly
- Weakened immune system
- Recent upper respiratory infection
- Attending school or daycare (children)
- Using shared personal items (towels, pillows)
Prevention
- Wash hands frequently, especially after touching face
- Avoid touching or rubbing eyes
- Don't share personal items (towels, pillows, makeup)
- Replace eye makeup regularly
- Clean contact lenses properly
- Avoid close contact with infected individuals
- Use protective eyewear in dusty/chemical environments
When to See a Doctor
Consult a healthcare provider if you experience any of the following:
- Severe eye pain
- Vision loss or significant blurring
- Intense light sensitivity
- Unable to keep eye open
- Symptoms in newborn baby
- No improvement after 1 week
- Thick green or yellow discharge
- Recent eye injury before symptoms started
- You wear contact lenses and have symptoms
- Weakened immune system
Talk to a Healthcare Provider
If your symptoms are persistent, severe, or concerning, please consult with a qualified healthcare professional for proper evaluation and personalized advice.
Frequently Asked Questions about Pink Eye (Conjunctivitis)
Click on a question to see the answer.
Pink eye (conjunctivitis) is inflammation of the conjunctiva — the thin, clear tissue that lines the inside of the eyelid and covers the white part of the eye. When small blood vessels in the conjunctiva become inflamed, they're more visible, causing the characteristic pink or red appearance.
Pink Eye (Conjunctivitis) can be caused by several factors including: Viruses (adenovirus most common), Bacteria (Staphylococcus, Streptococcus, Haemophilus), Allergies (pollen, pet dander, dust mites), Chemical irritants (chlorine, smoke, cosmetics), Contact lens irritation or infection. How Pink Eye Develops:
Common symptoms of pink eye (conjunctivitis) include: Pink or red color in the white of eye; Swollen conjunctiva or eyelids; Excessive tearing; Feeling like something is in your eye; Itching or burning sensation; Discharge (watery, mucus, or pus). If you experience these symptoms persistently, consider consulting a healthcare provider.
Self-care strategies for pink eye (conjunctivitis) include: Apply cool or warm compresses to closed eyes for comfort; Clean eyelids gently with clean, damp cloth; Use preservative-free artificial tears to soothe irritation; Stop wearing contact lenses until infection clears. These tips may help manage symptoms, but consult a doctor if symptoms persist or worsen.
You should see a doctor if: Severe eye pain; Vision loss or significant blurring; Intense light sensitivity; Unable to keep eye open. Don't delay seeking medical attention if you experience severe or concerning symptoms.
Pink Eye (Conjunctivitis) is generally considered mild and often manageable with self-care. However, symptoms that persist or worsen should be evaluated by a healthcare provider.
Pink eye affects about 6 million Americans each year. It's one of the most common reasons for school absences in children. Viral conjunctivitis accounts for up to 80% of all acute conjunctivitis cases. Bacterial conjunctivitis accounts for 50-75% of cases in children. The condition costs the US heal
While not always preventable, you can reduce your risk by: Wash hands frequently, especially after touching face; Avoid touching or rubbing eyes; Don't share personal items (towels, pillows, makeup); Replace eye makeup regularly. Maintaining overall health and addressing risk factors can help.
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Medical Disclaimer
The information on this page is for educational purposes only and is not intended as medical advice. It should not be used for self-diagnosis or self-treatment. Always seek the guidance of a qualified healthcare professional with any questions you have regarding a medical condition. If you are experiencing a medical emergency, call your local emergency services immediately.
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This content is for educational purposes only.
Not a substitute for professional medical advice.