Stye

What is a stye?

A stye is an infection in the root of an eyelash. This swells and fills with pus and develops into a small red lump on the edge of an eyelid. The eyelid becomes sore. The infection may spread along the eyelid and the whole lid may become red and inflamed. There may be a small spot of yellow pus where the affected eyelash comes out of the eyelid.

What causes styes?

A stye usually occurs for no apparent reason. The usual bacterium (germ) that causes the infection is the staphylococcus. This is a common bacterium that is often found on healthy skin. It usually does no harm, but sometimes it invades the skin to cause infections such as boils, abscesses, styes, etc.

What is the treatment for a stye?

• No treatment is often necessary. Most styes burst and the tiny amount of pus drains away leaving no further problem.
• Hot compresses may help to ease soreness and clear the pus. Hold a clean flannel that has been in hot water gently but firmly against the closed eye. Do this for about 20 minutes, 3-4 times a day. (The water should be hot, but comfortable and not scalding.)
• An antibiotic ointment may be prescribed if the stye does not clear.
• An antibiotic medicine may be needed if the infection does not clear with the above measures.

• don't share facecloths/flannels or towels with anyone whilst you have a stye.
• always wash your hands after touching the affected eyelid.

Will it happen again?

Most styes are one-off events. However, some people seem prone to getting them. At the first sign of a stye, try hot compresses as described above. This may 'nip it in the bud'.

© EMIS and PIP 2006   Updated: June 2006

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