- Allergic reaction
Allergic reaction causes sneezing, runny nose and hives and can lead to anaphylaxis, a whole body reaction.
- Eye allergies
Eye allergies, or allergic conjunctivitis, can make your eyes itchy, red, and watery.
- Botulinum toxin (Botox) injection
Botulinum toxin side effects may include pain and tenderness at the injection site, headache, nausea and more.
- Sleep deprivation
Sleep deprivation occurs when the lack of restful sleep is severe enough to compromise basic body functions.
- Rubbing eyelids
Rubbing your eyelids can make the skin on your eyelids look red and, over time, can cause then to thicken.
- Hay fever
Hay fever, an allergic reaction to outdoor pollens and molds, causes nasal congestion, itchy eyes, and more.
- Transient ischemic attack (mini-stroke)
Transient ischemic attacks cause headache, numbness, tingling, or weakness in the face, arm, or leg, and more.
- Eyelid inflammation (blepharitis)
Blepharitis, an inflammation of the eyelids, causes redness, irritation; and itchy, crusty eyelids.
- Lazy eye
Lazy eye occurs when the brain favors one eye over the other.
- Stroke
A stroke occurs when blood and oxygen to the brain are cut off, and causes numbness, confusion, and more.
- Myasthenia gravis
Myasthenia gravis is caused by abnormal immune responses that weaken muscles, particularly of the face.
- Horner's syndrome
Horner syndrome is a rare condition that can cause a drooping eyelid, decreased sweating, and a small pupil.
- Dermatomyositis
Dermatomyositis is a condition that causes muscle swelling and weakness, and a rash on the face and joints.
- Floppy eyelid syndrome
With floppy eyelid syndrome one or both upper eyelids become droopy, rubbery, and flip inside out easily.
- Chagas disease
Chagas disease is caused by a tropical parasite and can cause fever, ill feeling, and swelling around the eye.
