Bacterial and viral conjunctivitis cause uncomfortable symptoms that affect the eyes. Allergic conjunctivitis causes similar symptoms, but these health effects result from allergens in irritants instead of infections.
Pollen, mould, pet dander, and dust can all trigger uncomfortable symptoms like eye redness, watering, swelling, and itchiness. Medications and home remedies can help relieve eye symptoms in most people.
Antihistamines are medications that can control allergy symptoms. These drugs block histamine receptors, which reduces a person’s allergic response to triggering substances.
Antihistamines can come in the form of pills, eye drops, nasal sprays, ointments, and injections (administered in a hospital setting). Some people take antihistamines on a daily basis, while others only take the medication as needed.
Antihistamines are associated with some side effects, including:
For most people, antihistamine side effects are mild. Your doctor can help you find the right medication to minimize the risk of side effects.
If you know which allergens you are allergic to, you can minimize symptoms by avoiding them in the future. Along with allergen avoidance and antihistamines, the following treatments can help:
For people with severe allergies that disrupt their daily lives, allergy shots or drops may be recommended. These treatments involve introducing a small amount of an allergen via an injection or a sublingual tablet/drop placed under the tongue, which helps the body better tolerate the substance. While they are not effective for everyone, allergy shots have helped many people avoid allergic conditions and experience ongoing relief from bothersome symptoms.