Conjunctivitis, or pink eye, is a common and highly contagious eye condition that is characterized by inflammation of the conjunctiva, the thin, transparent membrane that lines the inner eyelid and the white of the eye. The most common way to get conjunctivitis is through contact with an infected person, either through direct contact or by sharing items such as towels, pillows, or makeup. Conjunctivitis can also be spread through the air, such as when an infected individual sneezes or coughs. Other causes of conjunctivitis include exposure to allergens, irritants, and certain viruses or bacteria. While the condition typically resolves itself within a few weeks, it is important to seek medical attention if the symptoms worsen or do not improve after a few days. Treatment options include antibiotic eye drops, antihistamine eye drops, or topical steroids.