Can some ingredients in eye drops cause allergic reactions?

May 2, 2022 ... The cause is a broken blood vessel or a subconjunctival hemorrhage. Although the appearance of this blood looks severe, and can make the entire ... Jan 22, 2025 ... It's common for a red eye to look worse than it feels. Many eye conditions can cause red eyes, such as injury, allergy, or dryness. Causes shown here are commonly associated with this symptom. Work with your doctor or other health care professional for an accurate diagnosis. Feb 27, 2023 ... Conjunctivitis (or red eye) is a common eye condition. Get information about its symptoms, how it's treated and where to get help. Sep 15, 2022 ... Blepharitis is a common eye condition that makes your eyelids red, swollen, irritated, and itchy. It can cause crusty dandruff-like flakes on your eyelashes. Rhinoconjunctivitis. Rhinitis is characterized by one or several of the following symptoms: nasal congestion, runny nose, post-nasal drip, sneezing, red ... May 2, 2022 ... Why Do I Have Bloodshot Eyes? · Conjunctivitis · Dry Eye Syndrome · Uveitis. Viruses can cause conjunctivitis, such as the familiar red eyes, sore throat, and runny nose of a common cold. Viral conjunctivitis usually produces a watery ... 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 ... Jan 6, 2023 ... Some red eyes may be caused by eye infections like conjunctivitis (pink eye), and conditions such as corneal ulcers, glaucoma, blepharitis ...