Conjunctivitis, also known as pink eye, is an inflammation of the thin layer that lines the inside of the eyelid and covers the white part of the eye. It is caused by a virus or bacterial infection or from a reaction to an allergen.
Conjunctivitis caused by allergens is not contagious; however, the viral and bacterial forms may be spread to others. They are spread through close contact with an infected person and the sharing of items such as bedding, eye or face makeup, makeup brushes, eyeglasses, contacts and contact solution, and other similar items.
Viral and bacterial conjunctivitis can be easily spread from person to person. To prevent contracting and spreading the viral and bacterial types of conjunctivitis:
Diagnosis is usually based on the signs of the symptoms exhibited by the patient. Lab testing is not normally needed to confirm diagnosis. Treatment of conjunctivitis consists of using antibiotic eye drops and/or topical ointments.