EYE ALLERGIES
DEFINITION OF EYE ALLERGIES
Eye allergies, also known as Allergic Conjunctivitis, occur when the immune system overreacts to allergens, leading to redness, itching, swelling, and watery eyes. Common triggers include dust, pollen, pet dander, smoke, cosmetics, and air pollution.
RISK FACTORS OF EYE ALLERGIES
- Environmental allergens
- Pollution & Smoke
- Cosmetics & Chemicals
- Contact lenses
- Weather changes
SYMPTOMS
Most prominent and classic symptom
Often intense and hard to resist scratching
May worsen in both eyes simultaneously
Rubbing the eyes typically makes it worse and can lead to further irritation
The whites of the eyes appear pink or red
Caused by dilated blood vessels in the conjunctiva due to inflammation
Often symmetrical in both eyes
Reflex tearing as the eyes try to flush out allergens
Despite the name "dry eyes," some people experience excessive tearing as a symptom
Eyelids may appear puffy, especially in the morning
Can be mild or significant depending on the severity of the reaction
Feels like something is in the eye
Often described as mild stinging or burning
Usually caused by inflammation or dryness associated with allergic response
TREATMENT TYPES
Stay indoors during high pollen counts
Keep windows closed and use air filters or purifiers
Avoid touching or rubbing your eyes
Wash hands and face after outdoor exposure
Use hypoallergenic bedding and pillowcases
Clean fans, vents, and dust-prone areas regularly
Shower before bed during allergy season
Help flush out allergens
Relieve mild irritation, redness, and dryness
Available over the counter
Prefer preservative-free formulations for frequent use
Ketotifen (Zaditor, Alaway – OTC)
Olopatadine (Pataday, Pazeo – OTC or Rx)
Azelastine (Rx only)
Cromolyn sodium
Nedocromil
Lodoxamide
Olopatadine (Pataday)
Ketotifen fumarate
Bepotastine (Bepreve)
These are often the first choice for patients with regular seasonal allergies.
FAQS
Eye allergies, also known as allergic conjunctivitis, occur when the eyes overreact to allergens like pollen, pet dander, dust mites, or mold. This causes inflammation of the conjunctiva, leading to itching, redness, tearing, and swelling.
Itchy, red, or watery eyes
Puffy or swollen eyelids
Stringy or clear discharge
Grittiness or burning sensation
Blurry vision (temporary)
Both eyes usually affected at the same time
Seasonal allergens (like tree, grass, or weed pollen)
Indoor allergens (dust mites, pet dander, mold)
Contact lens solutions or eye drops with preservatives
Irritants like smoke, perfumes, or pollution
No. Eye allergies are not contagious. They are caused by your immune system reacting to allergens, not by viruses or bacteria.
Yes, many allergy eye drops are safe for daily use, especially preservative-free or once-daily formulas like Pataday. Always follow your doctor’s instructions and avoid overuse of decongestant drops (e.g., “get the red out”) which can worsen redness over time.
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