# Allergic Conjunctivitis

Source page: https://www.kudretgozistanbul.com/en/treatments/allergic-conjunctivitis

**Author:** Kudret Eye İstanbul | **Medical Approval:** Op. Dr. Mehmet Ali Özdil | **Date:** 2026-09-08

> **Summary:** Allergic conjunctivitis (eye allergy) is inflammation of the conjunctiva triggered by allergens such as pollen, dust mites, pet dander or mould. It causes itching, redness, watering and burning, is not contagious, and is treated with drops, trigger avoidance and, long term, immunotherapy.

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## What Is Allergic Conjunctivitis?
A common eye disease affecting the white of the eye (conjunctiva) and the membrane lining the eyelids. It is one of the most common forms of seasonal allergy, can affect all ages, and is more common in children and young people.

## Types
- **Seasonal allergic conjunctivitis (hay fever):** The most common type, usually in spring and autumn when pollen counts are high; itching, redness, watering and swelling.
- **Giant papillary conjunctivitis:** Usually in contact lens wearers, from lenses irritating the inner eyelids; itching, redness and discomfort.
- **Atopic conjunctivitis:** In people with other allergic diseases such as eczema or asthma; itching, redness, watering and swelling.

## Symptoms
- Itching, the most common and annoying symptom, which may increase through the day
- Red, inflamed whites of the eyes and inner lower eyelids
- Excessive watering and watery discharge
- Mild to moderate eyelid swelling
- Burning or stinging
- Increased sensitivity to bright light
- Discharge and crusting, especially in the morning
- Sometimes a runny nose and sneezing

**Less common:** blurred vision, foreign body sensation, itchy red swollen eyelids.

## Treatment
Treatment aims to relieve symptoms and to prevent future reactions.

**Medicines:**
- Antihistamine drops and ointments
- Mast cell stabilisers
- Corticosteroid drops and ointments
- Decongestant drops
- Artificial tears (mentioned in the FAQ)

**Other measures:**
- Cold compresses to reduce itching and swelling
- Not rubbing the eyes, which makes it worse
- Frequent hand washing with soap and water
- Keeping contact lenses clean and wearing them as prescribed
- Avoiding known allergens where possible

**Immunotherapy:** A long-term option that gradually desensitises the immune system to the allergens and can significantly reduce or eliminate symptoms.

## Cost
The price depends on the underlying cause and the treatment; the plan follows a detailed examination and varies from person to person.

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## Frequently Asked Questions (FAQs)

**Q: Is allergic conjunctivitis contagious?**
A: No. It is an allergic reaction and is not caused by germs.

**Q: How is it diagnosed?**
A: From the patient's symptoms and an eye examination; allergy tests may be done in severe cases.

**Q: How can it be prevented?**
A: Avoid allergens, stay in on high-pollen days, keep up eye hygiene and wear sunglasses.

**Q: Which medicines are used?**
A: Antihistamine drops, mast cell stabilisers, artificial tears and in some cases steroid-containing drugs, chosen by the doctor.

**Q: Does it occur in children?**
A: Yes, often due to seasonal allergies; sensitisation usually begins at an early age.

**Q: What happens if it is not treated?**
A: Persistent discomfort, irritation from itching, a risk of corneal damage and a higher risk of eye-surface infection.