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Conjunctivitis: Allergic Conjunctivitis
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Conjunctivitis is the inflammation of the conjunctiva, a thin, delicate membrane that covers the eyeball and lines the eyelid. Conjunctivitis is an extremely common eye disease because the conjunctiva is continually exposed to microorganisms and environmental agents that can cause infections or allergic reactions. Conjunctivitis can be acute or chronic depending on how long the condition lasts, the severity of symptoms, and the type of organism or agent involved. It can affect one or both eyes and, if caused by infection, can be very easily transmitted to others during close physical contact, particularly among children in a school or daycare setting. Other names for conjunctivitis include pink eye and red eye.
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Conjunctivitis (pronounced kuhn-junk-tuh-VIE-tis) is an inflammation (redness) of the conjunctiva. The conjunctiva is the membrane that lines the white part of the eye and the underside of the eyelid. Conjunctivitis can be caused by infection, an allergic reaction, or a physical agent, such as infrared or ultraviolet light. Conjunctivitis is often referred to as pink eye because the infection causes the eye to become very bloodshot.
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Conjunctivitis sometimes requires medical attention. The appropriate treatment depends on the cause of the problem. For the allergic type, cool water constricts capillaries, and artificial tears sometimes relieve discomfort in mild cases. In more severe cases, non-steroidal anti-inflammatory medications and antihistamines may be prescribed. Some patients with persistent allergic conjunctivitis may ... require topical steroid drops.
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Conjunctivitis treatment for conditions that arise out of allergic reactions calls for removing the allergen and soothing the symptoms. Common allergens that cause conjunctivitis include pet dander, dust and certain foods. Cold compresses tend to help soothe the swelling.
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Allergic Conjunctivitis can be caused by almost any particle, such as pollen, cosmetics, chemicals in the air, or dust. It usually involves both eyes and causes extreme itching, mucousy discharge, moderate redness, tearing and sometimes nasal discharge and head congestion. Hay fever and upper respiratory infections are often accompanied by allergic conjunctivitis. The skin and the eyelids may become inflamed, swollen, and itchy.
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Conjunctivitis may ... be caused by environmental hazards, such as wind, smoke, dust, and allergic reactions caused by pollen, dust, or grass. Symptoms range from itching and redness to a mucus discharge. Persons who wear contact lenses may develop allergic conjunctivitis caused by various eye solutions used and the foreign proteins contained in them.
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Allergic Conjunctivitis