https://www.mayoclinic.org/symptoms/red-eye/basics/causes/sym-20050748
Causes. By Mayo Clinic Staff. Allergies. Blepharitis (which is eyelid inflammation) Chalazion or stye, which comes from inflammation in the glands of your eyelid. Complication from a recent eye surgery. Contact lens complication. Corneal abrasion (scratch): First aid. Corneal herpetic infection or herpes.

https://www.healthline.com/health/eye-redness
itching. a burning sensation. feeling like something is in your eye. increased tearing. discharge of mucus or pus, which can lead to crusting of the eyelids or eyelashes. Conjunctivitis can have a

https://www.verywellhealth.com/red-eye-5223773
Besides the red color of the whites of your eyes, other symptoms that you might notice include: Discharge. Increased tear production. Foreign body sensation. Crustiness around the lashes. Swelling of the protective membrane of the eye, known as the conjunctiva. Burning or itching sensation.

https://my.clevelandclinic.org/health/symptoms/17690-red-eye
In many cases, red eyes aren't dangerous and may not even need treatment. However, there are conditions that cause red eyes that can be more serious. If your eye redness lasts longer than a day or two, or if your young child has red eyes, you should contact your healthcare provider. Also, contact your provider if you have eye pain or discharge.

https://www.allaboutvision.com/conditions/red-eyes.htm
Red eyes are also frequently the result of dry eyes and the extended wear of contact lenses. In some cases, a blood vessel may break, causing a bright red spot to develop on the white of the eye. This is called a subconjunctival hemorrhage and may result from an eye injury, straining, coughing or other factors.

https://www.webmd.com/eye-health/why-eyes-red
Red eyes, also known as "bloodshot eyes," happen when the tiny blood vessels on the surface of the whites of your eyes expand, turning the whites of one or both eyes a pink or reddish tint. The

https://www.visioncenter.org/conditions/red-eyes/
Trauma to the eye can cause redness due to bleeding or irritation. Something as simple as accidentally scratching your eye with a sharp fingernail can cause an eye injury. Other symptoms include: Pain and swelling in the eye. Bruising and redness. Bleeding, accompanied by small red or black spots in the eye.

https://www.nhs.uk/conditions/red-eye/
your baby has red eyes and they're less than 28 days old; your eye is painful and red; you have a red eye and wear contact lenses - you could have an eye infection; You can call 111 or get help from 111 online. Immediate action required: Call 999 or go to A&E if:

https://www.allaboutvision.com/en-gb/conditions/red-eyes/
What are red eyes? Red eyes (or red eye) is a condition where the white of the eye (the sclera) has become reddened or "bloodshot." The appearance of red eye can vary widely. It can look like there are several squiggly pink or red lines on the sclera or the entire sclera may appear diffusely pink or red.

https://www.verywellhealth.com/top-causes-of-red-eye-3422111
Red eyes due to swimming, drinking alcohol, wearing contact lenses, or another transient cause will go away on their own. However, red eyes can sometimes be due to serious conditions that require medical attention, such as scleritis. What to Do. Episcleritis can be treated with artificial tears. In addition, steroids can be used if this

https://www.verywellhealth.com/red-eye-treatment-3422112
To get rid of red eyes, try using artificial tears: Insert every hour for the first six hours. Use six times per day for the rest of the week. Some people store a bottle of eye drops in the refrigerator, as the chilled fluid may be soothing to the eyes. 3.

https://www.healthgrades.com/right-care/eye-health/bloodshot-eyes
Red eyes can occur with other eye symptoms, including burning, itching, soreness, tearing and discharge. Red eyes can begin suddenly and disappear quickly, such as when you have a mild allergic reaction to animal dander or dust. Bloodshot eyes can also develop with time and occur along with additional symptoms, which may be a sign of a more serious condition, such as a corneal ulcer or eye

https://www.medicalnewstoday.com/articles/315681
Red eyes are not usually a cause for concern, and over-the-counter remedies will often suffice. However, people who experience additional symptoms should visit the doctor. These may include blurry

https://www.allaboutvision.com/en-in/conditions/red-eyes/
Red eyes (or red eye) is a condition in which the white surface of the eye becomes reddened or "bloodshot." Red eye can occur in one or both eyes, and it can be associated with several symptoms, including: Irritation. Burning. Itching. Dryness. Pain. Discharge. Watery eyes. Sensitivity to light.

https://www.goodrx.com/conditions/eye-inflammation/red-eye-causes
Red eyes often aren't usually the result of serious or dangerous causes. It's important to know the signs that indicate you need medical attention. Treatments include preventive measures, home remedies, prescription eye drops, and oral medications. You can also work with an eye specialist for further evaluation and treatment.

https://www.uptodate.com/contents/the-red-eye-evaluation-and-management
Conjunctivitis (allergic or viral) is probably the most common cause of red eye in the community setting, but a number of more serious conditions can also occur [ 1,2 ]. PATIENT EVALUATION. Patient history, measurement of visual acuity, and findings on penlight examination are important features in determining the cause and management of red eye.

https://www.medicalnewstoday.com/articles/316179
Red eyes alone are not usually a reason for concern. However, if there is also eye pain, watering, dryness, or impaired vision, this can indicate a serious medical problem.

https://www.healthline.com/health/eye-health/how-to-get-rid-of-red-eyes
Soak a towel in warm water and wring it out. The area around the eyes is sensitive, so keep the temperature at a reasonable level. Place the towel on your eyes for about 10 minutes. The heat can

https://health.clevelandclinic.org/why-are-my-eyes-red
Research shows that between 2% and 3% of all people visiting primary care physicians and emergency rooms come in because of an eye issue ­— and the majority of those people have red eyes.

https://www.aao.org/eye-health/tips-prevention/home-remedies-bloodshot-eyes-when-to-see-doctor
How To Get Rid of Red Eyes. Use over-the-counter artificial tears. These drops relieve irritation and wash allergens from the eye. Use these up to four times per day. If you use artificial tears more often, you should get preservative-free artificial tears. Use over-the-counter antihistamine eye drops, especially if you are prone to seasonal

https://www.aao.org/eye-health/symptoms/red-eye-3
Leer en Español: Ojo rojo. Edited By David Turbert. Published Feb. 04, 2021. Redness in the eye can be caused by many conditions and injuries that can lead to irritation, blood in the eye, or swelling of blood vessels. Red Eye may be associated with: Angle-Closure Glaucoma. Blepharitis. Cellulitis.

https://www.mayoclinic.org/symptoms/red-eye/basics/definition/sym-20050748
Red eye is a common problem that can affect one or both eyes. The redness associated with red eye comes from blood vessels on the surface of your eye that are expanded (dilated) due to some form of irritation or infection.

https://www.medicalnewstoday.com/articles/313606
Apply antihistamine drops if red eyes are due, for example to a seasonal allergy. If you are planning to use eye drops, speak to a health care provider first, as some drops may increase redness.