Can hay fever cause itchy, watery eyes?

May 2, 2022 ... Why Do I Have Bloodshot Eyes? · Dry eyes · Irritants such as smoke, pollen and perfume · Lack of sleep · Excessive alcohol consumption · Spending too ... Box 1. Common causes of paediatric red eye. · Viral conjunctivitis. · Bacterial conjunctivitis. · Corneal abrasion/trauma. · Subconjunctival haemorrhage. Sep 30, 2023 ... Bloodshot eyes typically appear red due to the dilation of tiny blood vessels in the whites of the eyes. Nov 18, 2024 ... Some of the most common causes of red eyes in dogs include allergic or bacterial conjunctivitis, upper respiratory infection, or eye irritation ... For more information on red eye symptoms and what causes red eyes, please visit this page. Available In: ½ FL OZ (15mL) bottle. Product Details. Uses. Jun 21, 2023 ... Excessive alcohol consumption can cause a subconjunctival hemorrhage. This is when the tiny blood vessels in the eye burst and bleed into the ... Dec 15, 2002 ... Although conjunctivitis is the most common cause of red eyes presented to the family practitioner, a review by Vafidis emphasizes the ... Sep 10, 2024 ... What Causes Bloodshot Eyes? · Allergies and Sensitivities · Blepharitis · Contact Lenses · Corneal Abrasions and Ulcers · Dry Eye · Eye Strain. Mar 21, 2025 ... Causes of red eyes in dogs · Allergies · Environmental irritants · Conjunctivitis · Eye injuries · Uveitis · Corneal ulcers · Glaucoma · Dry eye. Feb 26, 2025 ... Yes, sinus allergies can cause red eyes. This happens when allergens trigger the body's immune response, leading to inflammation and swelling in ...