Redness, itchiness and watery eyes are common symptoms of eye allergies. Pollen, mold, dust and pet dander are common allergens that trigger such allergies. Other triggers include adverse reactions to cosmetics and eye medication such as eye drops. Being allergic to certain food items rarely causes eye conditions such as itchiness or excessive tearing. When the surface of the eye is exposed to allergens, it releases histamines. This causes itchiness and makes the eye red and watery.
However, sometimes these can also be symptoms of a larger problem. Itchiness in the eyes and excessive tearing can also be a symptom of conjunctivitis or caused by eye disorders like dry eyes and blepharitis. Ironically, dry eyes is the most notorious factor amongst the above. Watery eyes could also be caused by clogged tear ducts or eyelids that turn inwards or outwards.
If your eye feels itchy or is persistently watery, you must consult an eye doctor. To correctly diagnose the condition and recognize the symptoms triggering it, he will conduct a thorough eye exam and discuss your medical history and lifestyle. If the condition is triggered by an allergy you might also require blood tests for allergies.
This will decide your course of treatment. A few tips that could help are: