Boils are painful, pus-filled, and are caused by infections like Staphylococcus aureus. Cysts are painless, non-infectious growths filled with keratin or other substances. Antibiotics may treat boils ...

A chalazion is a swollen, pain-free lump on the eyelid. It gradually forms when the meibomian gland, a sebaceous (oil) gland, ...

A stye is a bump on the eyelid that is usually caused by a bacterial infection. Treatment can help to prevent the spread of the infection. A stye is a common condition that often resolves on its own ...

A stye is an infection on the eyelid, resulting in a painful, pimple-like bump. They are typically external, but people can have a stye inside the eyelid, known as an internal stye. The article ...