Signs and symptoms
... Eventually most sties fill with pus and then rupture. The release of pus relieves one major symptom of sties — pain. Usually the sty then disappears. But before this happens, a sty typically exh...

Causes
... The cause of a sty is a bacterial infection. Usually the bacterial infection develops near the root (follicle) of an eyelash. You may have more than one sty at a time or several in succession.

Risk factors
... Sties aren''t very contagious. To minimize any risk of spreading this infection, however, encourage children to keep their hands away from their eyes and practice good hand washing techniques.

When to seek medical advice
... Most sties are harmless to your eye and don''t affect your ability to see clearly. Still, you may want to see your doctor if a sty causes one of the following problems: Interferes with your vision App...

Screening and diagnosis
... If the symptoms of a sty persist or if you''ve had successive infections, your doctor may want to exclude other possible causes. Some conditions exist that are similar to a sty, but require different ...