How is Pink Eye Spread?

Pink eye can be caused by several things and not all pink eye conditions are contagious. Noncontagious pink eye can be caused by allergies, trauma to the eye, or chemical irritation. Contagious pink eye is caused by a bacteria or virus and be spread by coming in contact with an infected person or surface the person has touched. Frequently washing your hands and disinfecting household surfaces can help prevent spreading pink eye.