What is a common treatment for allergic conjunctivitis?

Antihistamine eye drops are a common treatment for allergic conjunctivitis because they specifically target the histamine response that occurs during allergic reactions. When allergens like pollen or pet dander come into contact with the eyes, they can trigger a release of histamine, leading to irritation, redness, and itching in the conjunctiva. Antihistamines work by blocking the action of histamine at its receptor sites, thereby alleviating these uncomfortable symptoms.

While antibiotic eye drops are effective for bacterial infections and might be mistakenly considered for allergic conjunctivitis, they do not address the underlying allergic reaction. Artificial tears can provide symptomatic relief by lubricating the eyes and flushing away allergens, but they do not treat the allergy itself. Steroid eye drops might be used in more severe cases of allergic conjunctivitis to reduce inflammation, but they are typically not the first-line treatment due to potential side effects, especially with prolonged use. Hence, antihistamine eye drops are the most appropriate and effective choice for managing allergic conjunctivitis symptoms.