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Definition

  • A red lump or pimple on the edge of an eyelid
  • It starts at the bottom of an eyelash

Symptoms of a Sty

  • A tender, red lump on the eyelid at the base of an eyelash
  • Turns into a small pimple on the eyelid
  • A sty is tender to touch
  • A sty causes mild swelling of the eyelid
  • A sty can cause a watery eye

Causes

  • A bacterial infection of the hair follicle of an eyelash.
  • The most common germ that causes this is Staph.
  • Risk factors. Rubbing the eyes (especially after picking the nose.) The nose is the most frequent home of Staph. Also, more common when using eye makeup.

Barton Schmitt MD, FAAP
Disclaimer: this health information is for educational purposes only. You, the reader, assume full responsibility for how you choose to use it.
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