What is allergic conjunctivitis?
A person with allergic conjunctivitis has swelling and redness to the conjunctiva of the eye, due to an allergy. Common triggers of allergic conjunctivitis include pollen and ragweed.

What are the symptoms of allergic conjunctivitis?
Symptoms of allergic conjunctivitis include eye redness, eye itching, and eye irritation. The eye redness is similar in appearance to the eye redness caused by viral conjunctivitis.

How does the doctor treat allergic conjunctivitis?
Treatment for allergic conjunctivitis includes cold compresses, oral antihistamines, antihistamine eye drops, and anti-inflammatory eye drops.