Conjunctivitis - Definition

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Conjunctivitis is an inflammation of the conjunctiva, the mucus membrane of the skin on the inside of the eyelids. It can be bacterial, viral, parasitic, or allergic. Conjunctivitis occurs in the form of redness of the eye, itching, irritation, and discharge. Generally, conjunctivitis affects both eyes symmetrically during a condition caused by a virus or an allergy and initially affects only one eye when a bacterium is involved. Conjunctivitis can be chronic in children. In case of viral or bacterial infection, conjunctivitis is contagious. The treatment uses eye drops.