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What could cause eyelid swelling?

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If your eyelid is swollen, it could be due to:

  • Pinkeye (conjunctivitis): This is an infection caused by bacteria, viruses, or irritants. It happens most often during cold and flu season.
  • Stye: This infection often starts where you eyelash connects to your eye, or in the gland that makes tears. It can cause red bumps around your eyelid that can be sore.
  • Chalazion: This is a small, stye-like bump on your eyelid that’s caused by blocked oil glands.
  • Allergies: These can make your eyelids swell in some cases.
  • Blepharitis: This is when bacteria and oily flakes get into the base of your eyelashes. It can make your eyelids red, swollen, or itchy, and they may burn.
  • Injury: If you get hit in your eye, blood can collect underneath your eyelid and lead to swelling.
  • Graves’ disease: This condition, which affects your thyroid, is an autoimmune disease, meaning that your immune system attacks your own body. Sometimes your eyelids can get inflamed, and that’s known as Graves' eye disease or Graves' ophthalmopathy.

American Academy of Ophthalmology: “What Is Blepharitis?”

American College of Allergy, Asthma & Immunology: “Types of Eye Allergy.”

NHS: “Eyelid problems.”

American Osteopathic College of Dermatology: “Xanthelasma.”

Cleveland Clinic: “8 Reasons for Your Swollen Eye or Eyelid.”

American Association for Pediatric Ophthalmology and Strabismus: “Ocular Injury.”

Reviewed by Alan Kozarsky on March 30, 2019

American Academy of Ophthalmology: “What Is Blepharitis?”

American College of Allergy, Asthma & Immunology: “Types of Eye Allergy.”

NHS: “Eyelid problems.”

American Osteopathic College of Dermatology: “Xanthelasma.”

Cleveland Clinic: “8 Reasons for Your Swollen Eye or Eyelid.”

American Association for Pediatric Ophthalmology and Strabismus: “Ocular Injury.”

Reviewed by Alan Kozarsky on March 30, 2019

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