Conjunctivitis

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Conjunctivitis, also known by the descriptive name pinkeye, is an inflammation of the conjunctiva, which is the transparent membrane that covers the eyeball and lines the eyelid. Conjunctivitis can be caused by a viral or bacterial infection, an injury to the eye, or a reaction to fumes, smoke, or pollution. Though the causes may be different, the symptoms are identical. Allergic conjunctivitis is most often caused by pollen, and is therefore usually a seasonal reaction (unless it is the result of exposure to a pet, dust, mold, or some other nonseasonal allergen).

The overwhelming majority of cases of conjunctivitis are caused by viruses, although in rare cases a bacterial infection may be responsible. Viruses and bacteria may be rubbed into the eye, or may travel from an infection in the nose up through a tear duct and into the eye. The infection can be transmitted from one person to another.

Suspect conjunctivitis if the white of your shows bright pink or red coloration. In the early stages, your eyes may burn or itch, and may feel as if there is something in them. The eyelid may be swollen, and there can be a sticky yellowish discharge from the eye. The eye may be "glued" shut when you wake up in the morning.

Most cases of simple conjunctivitis last from five to seven days. If you are treating conjunctivitis at home and notice no improvement in that time, or if the infection is painful, draining heavily, interfering with vision, or seems to be affecting the tissues around your eyes, see a doctor for a professional evaluation.

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Preventive measures for Conjunctivitis

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