When someone has pink eye, it’s hard to hide the telltale symptoms: red, swollen and watery eyes, maybe with crusty eyelashes and eye discharge or pus. However, there are other eye conditions—some harmless and some more serious—that can make your eyes equally red, itchy, watery or painful.

Tearing, a swollen lymph node under the jaw or in front of the ear, and a light discharge of mucus from one or both eyes are often signs of viral pink eye. People with viral pink eye...

Allergies, viruses, or bacteria can cause pink eye, also known as conjunctivitis, resulting in red, itchy eyes with discharge. You can often manage treatment at home with simple remedies like...

Pink eye is most often caused by a viral infection. It also can be caused by a bacterial infection, an allergic reaction or — in babies — an incompletely opened tear duct. Though pink eye can be irritating, it rarely affects your vision. Treatments can help ease the discomfort of pink eye.