Eye redness, Itching of eye: 10 Possible Causes
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What causes eye redness and itching of eye? 10 possible conditions

See a list of possible causes in order from the most common to the least.

1

Conjunctivitis (Pink Eye)

Conjunctivitis, or "pink eye," is an infection or swelling in the eye area that causes inflammation of the conjunctiva, giving the eye a red or pink color.

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2

Allergies Overview

This condition is considered a medical emergency. Urgent care may be required.

An allergy is the immune system's response to a foreign substance (allergen) that is not typically harmful to a person's body. This attack response may involve inflammation, sneezing, and a host of other symptoms.

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3

External Eyelid Stye (Hordeolum Externum)

An external eyelid stye is an inflamed area or bump on the eyelid. The medical term for a stye is hordeolum externum . Styes are red, painful lumps (most look like pimples) near the edge of the eyelid, where th...

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4

Pterygium

A pterygium is a growth on the conjunctiva or mucous membrane that covers the white part of your eye. These growths usually don't require treatment.

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5

Corneal Ulcer

A corneal ulcer is an open sore that forms on the cornea. It's usually caused by an infection. Even small injuries to the eye can lead to infections.

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6

Reactive Arthritis (Reiter's Syndrome)

Reiter's syndrome produces inflammation, swelling, and pain in the joints due to infection elsewhere in the body. Symptoms include mouth ulcers, painful urination, and urethral discharge.

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7

Allergic Conjunctivitis

Allergic conjunctivitis is when exposure to allergens (such as mold spores or pollen) cause your eyes to become watery, red, and itchy.

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8

Eye Emergencies

This condition is considered a medical emergency. Urgent care may be required.

If you have an injured eye or a foreign object in your eye, you'll likely need to seek medical attention right away. Here's what to look out for in eye emergencies.

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9

Sjogren's Syndrome

Sjögren's syndrome is an autoimmune disorder that primarily affects salivary and lacrimal glands. Read about signs and symptoms.

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10

Absence of Gamma Globulin in Blood

Agammaglobulinemia is an inherited immune system disorder in which the body is unable to produce antibodies.

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This feature is for informational purposes only and should not be used to diagnose.
Please consult a healthcare professional if you have health concerns.
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