Others may be triggered by an allergy or exposure to harsh chemicals.

Symptoms include redness, itching, tearing, discharge, and more.

Types and Causes of Conjunctivitis

Pink eye is a fairly common condition with many possible causes.

What Is Conjunctivitis (Pink Eye)?

Verywell / Emily Roberts

It can be brought on by bacteria includingStaphylococcus aureus,Streptococcus pneumoniae,Moraxella catarrhalis, orHaemophilus influenza.

Is Pink Eye Contagious?

Pink eye can be contagious depending on the bang out you have.

Infectious conjunctivitis because of viruses and bacteria can be easily transmitted to others.

If its sparked by allergies, an autoimmune reaction, or by a toxic chemical, its not contagious.

Symptoms

Thesymptomsof pink eye are triggered when the immune system responds to an infection or irritant withinflammation.

Blood vessels dilate to help immune cells reach the area, causing redness and swelling.

Conjunctivitis symptoms may include:

Symptoms can vary based on the jot down of conjunctivitis you have.

When its resulting from allergies, you may have itching and tearing without a thick discharge or crusting.

Bacterial conjunctivitis usually occurs with thick yellowish discharge that can cause your eyes to get crusty and stick together.

Viral conjunctivitis typically has a watery, rather than a thick discharge.

Treatment

Thetreatment of pink eyeis dependent on the underlying cause.

In some cases, the symptoms may resolve on their own.

In other cases, they may require treatment with topicaleye dropsor oral medications to treat an underlying infection.

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