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Sty

WHAT YOU SHOULD KNOW

A sty is an infection in a hair follicle gland in the eyelid. A few days after the sty forms, a white or yellow head of pus appears on the swollen area. Within 2 or 3 days, the sty usually bursts and the pus drains.

Causes

Stys are caused by bacterial infections.

Signs/Symptoms

A sty will cause redness, warmth, pain, and swelling of the top or bottom eyelid. You may have a gritty feeling in your eye and may have more tears than usual.

Care

Your doctor can prescribe medication to put on the sty. In some cases, surgery may be needed to drain it.

WHAT YOU SHOULD DO

  • To avoid spreading the infection to other parts of the eye, don't touch your eyelid and wash your hands often, drying them with a clean towel.
  • To ease pain and speed healing, apply a warm, clean washcloth to your eyelid for 10 to 20 minutes several times a day.
  • When the head of pus appears in the swollen area, gently pull out the eyelash. Do not squeeze the sty. Wash the eyelid carefully to remove the pus.

Call Your Doctor If...

  • Your eye becomes painful.
  • Your vision changes.
  • The sty does not drain by itself within 7 days.
  • The sty comes back within a short period of time even with treatment.
  • You notice redness around the eye.
  • You develop a high temperature.

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