" Common symptoms of conjunctivitis (pink eye) are: Redness or swelling of the eye Increased tears Discharge from the eye Itchy or burning eyes Crusting of eyelids Pink eye is caused by a virus, bacteria, allergens, or irritants. Depending on the cause, there are different treatments for conjunctivitis. When mid, pink eye often gets better on its own but those with pink eye should still consult a doctor. If it is possibly due to an allergic ...