Jan 20, 2026 · A stye (also called a hordeolum) is a small painful lump that grows from the base of your eyelash or under the eyelid. Most styes are caused by a bacterial infection.

Jan 9, 2017 · A hordeolum (stye) is an acute, localized swelling of the eyelid that may be external or internal and usually is a pyogenic (typically staphylococcal) infection or abscess.

What is a stye? A stye (hordeolum) is a tender red bump on the edge of your eyelid. What causes a stye? A stye happens when a gland on the edge of your eyelid gets infected. When it occurs inside …

A hordeolum is usually caused by a bacterial staph infection and results in pain, swelling, and redness. A hordeolum looks like a pus-filled lump or pimple at the edge of the eyelid. Treatment includes …

Jan 6, 2023 · A chalazion and a hordeolum are both bumps on the eyelid. A hordeolum, also called a stye, is caused by bacterial infection, while a chalazion results from an obstructed gland.

When an area of inflammation is seen along the eyelid margin or within an eyelid, the terms stye, chalazion, internal hordeolum and external hordeolum are frequently used interchangeably.

Oct 27, 2025 · A stye (sty or hordeolum) is a small, painful bump on the eyelid. Learn about causes, treatment, prevention, relief and when to see an eye doctor.

Nov 28, 2022 · An internal stye (hordeolum) is an inflamed and infected oil gland on the inner edge of your eyelid. Symptoms include eyelid pain, tenderness and swelling.

Dec 30, 2024 · A hordeolum is a common disorder of the eyelid. It is an acute focal infection (usually staphylococcal) involving either the glands of Zeis (external hordeola, or styes) or, less frequently, the...

A stye (or hordeolum) is an inflamed oil gland on the margin of the eyelid at the level of the eyelashes or in the midportion of the eyelid. It appears as a red, swollen nodule that resembles a pimple in …