Allergies are the most common cause of conjunctival chemosis. Chemosis can develop after surgery on the eye. It can be caused by conjunctivitis, commonly known as pinkeye, and by a few other ...

If chemosis is caused by allergies, your doctor may recommend antihistamines. These medications reduce your body’s reaction to allergens. An allergen is a substance that your body sees as harmful.

Around 40 – 60% of individuals with allergies will experience an eye-related symptom. This article describes some of the most common types of eye allergy.