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It's easily spread through poor hand washing or by sharing an object (like a towel) with someone who has it. It can also spread through coughing and sneezing. Kids diagnosed with infectious pinkeye should stay out of school or day care for a short period of time. Allergic pinkeye (caused by seasonal pollens, animal dander, cosmetics, and perfumes) and chemical pinkeye (from chemicals or liquids, including bleach and furniture polish) are not contagious. Symptom: Eye Redness, Redness of the eye is the typical, telltale symptom of pinkeye. Pinkeye is a common condition that is rarely serious and unlikely to cause long-term eye or vision damage if promptly detected and treated. Symptom: Swollen, Red Eyelids, The symptoms of infectious pinkeye typically begin in one eye and involve the other eye within a few days. Symptoms of allergic pinkeye usually involve both eyes. Swelling of the eyelids is more common with bacterial and allergic pinkeye. Symptom: Lots of Tearing, Viral and allergic pinkeye are known for causing more tear production than usual. Symptom: Itchy or Burning Eyes, You would know it if you felt it -- that overwhelming itchy, burning feeling in the eyes, which is typical of pinkeye. Symptom: Drainage from the Eyes, A clear, watery drainage is common with viral and allergic pinkeye. When the drainage is more greenish-yellow (and there's a lot of it), this is likely bacterial pinkeye. Symptom: Crusty Eyelids, If you wake up with your eyes "stuck shut, " this may be caused by the discharge that accumulates during sleep from pinkeye. Symptom: Sensitivity to Light, Pinkeye can cause mild sensitivity to light. A person who has severe symptoms, such as changes in eyesight, severe light sensitivity, or severe pain may have an infection that has spread beyond the conjunctiva and should be examined by a doctor. Symptom: 'Something in the Eye', You may notice a bothersome feeling like something is stuck in your eye. Or, a child may describe the feeling as sand in the eye. , Pinkeye Diagnosis, A doctor can often diagnose pinkeye just by its distinguishing signs and symptoms. However a slit lamp exam may be required. In some cases, a swab of the discharge from the eye is sent to a lab to determine the cause. When Pinkeye Means Something More, Persistent pinkeye could be from a severe allergy or infection that needs treatment. Also, the eyelid could be irritated called blepharitis, or the cornea called dry eye.  Rarely, it is a sign of an illness in the body like rheumatoid arthritis, systemic lupus erythematosus (lupus), or inflammatory bowel diseases, such as ulcerative colitis and Crohn's disease.  Pinkeye is also seen in Kawasaki disease - a rare disease associated with fever in infants and young children. Treating Pinkeye, Bacterial pinkeye is treated with antibiotic eyedrops, ointment, or pills to clear the infection. Most viral pinkeye cases have no specific treatment -- you just have to let the virus run its course, which is usually four to seven days. Allergic pinkeye symptoms should improve once the allergen source is removed and the allergy itself is treated. Chemical pinkeye requires prompt washing of the affected eye(s) for five minutes and an immediate call to the doctor.  , Easing Symptoms, To reduce pain and to remove the discharge of bacterial or viral pinkeye, use a cold or warm compress on the eyes. Make sure to use a different washcloth for each eye to prevent spreading any infection. And use clean washcloths each time. Clean the eye from drainage by wiping from the inside to the outside of the eye area. , How Long Am I Contagious?, With bacterial pinkeye, you can usually return to work or school 24 hours after antibiotics have been started, as long as symptoms have improved. With viral pinkeye, you are contagious as long as the symptoms last. Check with your doctor to be certain. Preventing Its Spread, If you or your child has infectious pinkeye, avoid touching the eye area, and wash your hands frequently, particularly after applying medications to the area. Never share towels or handkerchiefs, and throw away tissues after each use. Change linens and towels daily. Disinfect all surfaces, including countertops, sinks, and doorknobs. Throw away any makeup used while infected. Related Reading, All About Pinkeye, Pinkeye Due to Allergies, Steps: Inserting Eye Drops, Pinkeye: 10 Things You Need to Know, How Is Pinkeye Diagnosed?, Tool: Check Your Symptoms, Video: What Happens During an Eye Exam, Vision Basics, Previous, 1/17, Next, Previous, 1/17, Next, Reviewed by , Arefa Cassoobhoy, MD, MPH, on April 17, 2014, Sources: , IMAGES PROVIDED BY:, (1)    Holly Sisson / iStockphoto, (2)    Stockxpert / Jupiter Images, (3)    iStockphoto, (4)    Stacy Barnett / iStockphoto, (5)    Normann Hochheimer / Doc-Stock / Photolibrary, (6)    Dr. P. Marazzi / Photo Researchers, Inc. (7)    Dr. P. Marazzi / Photo Researchers, Inc. (8)    Dr. P. Marazzi / Photo Researchers, Inc. (9)    Imagewerks / Getty Images, (10)   Ted Horowitz / Flirt Collection / Photolibrary, (11)   Ned Frisk / Blend Images / Photolibrary, (12)   Michelle Del Guercio / Photo Researchers, Inc. (13)   Medicimage / Photolibrary, (14)   © Doable / amanaimages / Corbis, (15)   Paul Burns / Blend Images / Photolibrary, (16)   Stockxpert / Jupiter Images, REFERENCES:, Cleveland Clinic: "Conjunctivitis.", Nemours Foundation. KidsHealth.org: "Pinkeye (Conjunctivitis).", Centers for Disease Control and Prevention: "Conjunctivitis. ", American Academy of Ophthalmology “Conjunctivitis: What is Pink Eye?", This tool does not provide medical advice. , See additional information:, THIS TOOL DOES NOT PROVIDE MEDICAL ADVICE. It is intended for general informational purposes only and does not address individual circumstances. 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