
A hordeolum, commonly known as a stye, is a red, painful bump that forms near the edge of the eyelid. It usually results from a bacterial infection in an oil gland or eyelash follicle. Styes can appear on the outer or inner part of the eyelid and are typically filled with pus. While they may look alarming, styes are generally harmless and often heal on their own within a few days.
A hordeolum begins when bacteria infect an oil gland or eyelash follicle, leading to a localized build-up of pus and inflammation. The infected area becomes red, swollen, and painful as the body responds to the infection. External styes develop quickly and may drain on their own, while internal styes can take longer to surface and may cause more discomfort.
See an ophthalmologist if the stye doesn’t improve within a week, becomes more painful, affects your vision, or keeps recurring. Also seek medical help if the swelling spreads to other parts of the face or if you develop a fever. A healthcare provider can diagnose the issue and provide treatment, especially if it’s not a simple stye but a more serious eyelid condition.
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