What Causes Pink Eye?
The primary types of conjunctivitis, based on cause, are:
1. Viral conjunctivitis
Caused by a virus, like the common cold. This type of pink eye is very contagious, but usually will clear up on its own within several days without medical treatment.
2. Bacterial conjunctivitis
Caused by bacteria, this type of conjunctivitis can cause serious damage to the eye if left untreated.
3. Allergic conjunctivitis
Caused by eye irritants such as pollen, dust and animal dander among susceptible individuals. Allergic conjunctivitis may be seasonal (pollen) or flare up year-round (dust; pet dander).
Conjunctivitis, also known as pink eye, is inflammation of the outermost layer of the white part of the eye and the inner surface of the eyelid. It makes the eye appear pink or reddish. Pain, burning, scratchiness, or itchiness may occur. The affected eye may have increased tears or be "stuck shut" in the morning. Swelling of the white part of the eye may also occur. Itching is more common in cases due to allergies. Conjunctivitis can affect one or both eyes.
Symptoms
Classic symptoms can include:
1. Pink or red color in the white of the eye(s)
2. Watery eyes
3. Itchy or scratchy eyes
4. Discharge from the eye(s)
5. Crusting of eyelids or lashes
The primary types of conjunctivitis, based on cause, are:
1. Viral conjunctivitis
Caused by a virus, like the common cold. This type of pink eye is very contagious, but usually will clear up on its own within several days without medical treatment.
2. Bacterial conjunctivitis
Caused by bacteria, this type of conjunctivitis can cause serious damage to the eye if left untreated.
3. Allergic conjunctivitis
Caused by eye irritants such as pollen, dust and animal dander among susceptible individuals. Allergic conjunctivitis may be seasonal (pollen) or flare up year-round (dust; pet dander).
Conjunctivitis, also known as pink eye, is inflammation of the outermost layer of the white part of the eye and the inner surface of the eyelid. It makes the eye appear pink or reddish. Pain, burning, scratchiness, or itchiness may occur. The affected eye may have increased tears or be "stuck shut" in the morning. Swelling of the white part of the eye may also occur. Itching is more common in cases due to allergies. Conjunctivitis can affect one or both eyes.
Symptoms
Classic symptoms can include:
1. Pink or red color in the white of the eye(s)
2. Watery eyes
3. Itchy or scratchy eyes
4. Discharge from the eye(s)
5. Crusting of eyelids or lashes
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