Health Library
The Health Library is a collection of health and wellness resources created for learning and accessibility. Select a topic below for related health information or search for a topic in the search bar for more information on other medical conditions.
Styes and Chalazia
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What are styes and chalazia? Styes and chalazia are lumps in or along the edge of an eyelid. They may be painful or annoying, but they are rarely serious. Most will go away on their own without treatment. A stye is an infection that causes a tender red lump on the eyelid. Most styes occur along the edge of...
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Eyelid problems may be caused by irritation or infection. Common symptoms are redness, swelling, itching, and excess tearing; some drainage may also be present. Common symptoms of a stye (hordeolum) include swelling and tenderness or a tender red lump on the eyelid with occasional discharge from the lump. A chalazion...