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Illustration of a red eye

People often call conjunctivitis “pink eye” because it can cause the white of the eye to take on a pink or red color. Symptoms of pink eye can vary but typically include redness or swelling of the white of the eye.

Causes

What causes conjunctivitis?

Illustration of adenovirus
Symptoms

What are the symptoms of conjunctivitis?

Baby showing symptoms; crusting of her eyelids
Treatment

How are the different types of conjunctivitis are treated?

Older woman examining her eyes
Transmission

How are some types of conjunctivitis spread from person to person?

Man stands outside rubbing his eyes
Diagnosis

Learn how healthcare professionals diagnose conjunctivitis

For Clinicians

Information for healthcare professionals on the causes of viral, bacterial, and

Prevention

Learn how you can prevent conjunctivitis

References

Scientific articles related to conjunctivitis

Illustration of a doctor examining the eye of a girl with pink eye, conjunctivitis
Help Protect Yourself

This infographic, available in English and Spanish, highlights how to protect yourself from conjunctivitis and when to see a doctor.

Girl rubbing her eye
Pink Eye: What to Do

Discusses causes and treatment, when to call a doctor, and practical tips to prevent pink eye from spreading.

La conjunctivitis: Lo que debe saber