Medically reviewed by Dr. Melanie Chin
From the FYidoctors - St. Catharines
Conjunctivitis Pink Eye: Symptoms and Causes
Conjunctivitis, also known as “pink eye”, causes red, itchy, and watery eyes. There are different types of conjunctivitis. The most common causes are: viruses, bacteria, or allergies. Viral conjunctivitis often with a cold and spreads easily. Bacterial conjunctivitis includes a gooey discharge. Allergic conjunctivitis is caused by reactions to allergens like pollen, pets or dust. Viral and bacterial conjunctivitis are contagious and can be spread to others, whereas allergic conjunctivitis isn't contagious. If you think you've got pink eye, seeing your eye doctor can help you get the right treatment and keep the icky eye issue from getting worse!
What is Conjunctivitis Pink Eye?
Conjunctivitis, often called pink eye, is an inflammation or infection of the thin, clear tissue that covers the white part of your eye and the inner surface of your eyelid. This tissue, known as the conjunctiva, contains tiny blood vessels that can become infected or irritated, causing the whites of your eyes to appear pink or reddish.
There are several types of conjunctivitis, each with its own set of causes and symptoms. Some common types include:
- Viral conjunctivitis: Caused by a virus, often occurs alongside a cold or respiratory infection
- Bacterial conjunctivitis: Caused by bacteria and often accompanied with a sticky, yellow-green discharge
- Allergic conjunctivitis: Triggered by allergens like pollen, pet dander, or dust mites
While the specific symptoms may vary depending on the type of conjunctivitis, most people experience redness, itching, and watery discharge in one or both eyes. If you suspect you have conjunctivitis, it's important to see your eye doctor for an accurate diagnosis and appropriate treatment plan.
Why Does Pink Eye Occur?
Pink eye, or conjunctivitis, can be caused by a variety of factors, ranging from infections to allergies. Understanding the main culprits behind this common eye condition can help you take steps to prevent it or seek the appropriate treatment.
What are the Main Causes of Pink Eye?
- Viral infections: The most common cause of conjunctivitis is a viral infection, often linked to colds or respiratory infections. Viral conjunctivitis is highly contagious and can spread quickly through close contact or by touching contaminated surfaces.
- Bacterial infections: Less common than viral conjunctivitis, bacterial pink eye is characterized by a thick, yellow, or greenish discharge from the eye. This type of conjunctivitis can also be contagious and may require antibiotic treatment.
- Allergies: Allergic conjunctivitis occurs when your eyes react to allergens like pollen, pet dander, or dust mites. Unlike infectious forms of pink eye, allergic conjunctivitis typically affects both eyes and is not contagious. Symptoms may include itching, redness, and watery discharge.
If you suspect you have conjunctivitis, it's essential to identify the underlying cause so you can receive the appropriate treatment. Your eye doctor can help diagnose the type of pink eye you have and recommend the best course of action to alleviate your symptoms and prevent the spread of infection.
How Do You Recognize Pink Eye Symptoms?
Conjunctivitis, or pink eye, can cause a range of symptoms that may vary depending on the underlying cause. However, there are two primary signs that often point to this condition:
- Itching and redness: One of the most common symptoms of conjunctivitis is a persistent itching sensation in the affected eye(s), accompanied by noticeable redness or pinkness in the white part of the eye and inner eyelid.
- Discharge and crusting: Particularly in cases of bacterial conjunctivitis, you may experience a thick, sticky discharge from the eye that can cause your eyelids to stick together, especially after sleeping. This discharge can form a crust along the eyelashes and eyelid margins overnight, making it difficult to open your eyes in the morning.
Other symptoms may include:
- A gritty or foreign body sensation in the eye
- Excessive tearing or watery eyes
- Swollen eyelids
- Sensitivity to light
If you experience any of these symptoms, it's important to identify the cause and take appropriate action. Viral infections, for example, often resolve on their own within a week or two, while bacterial conjunctivitis may require antibiotic eye drops or ointments. Allergic conjunctivitis can be managed with oral anti-allergy medication or prescription eye drops from your optometrist.
How Can Pink Eye Be Transmitted?
Conjunctivitis or “pink eye” is highly contagious and can spread easily from person to person. There are two main ways the condition can be transmitted:
- Direct contact: Conjunctivitis can spread through direct contact with an infected person, such as by touching or rubbing your eyes after shaking hands with someone who has an infection. Sharing personal items that come into contact with the eyes, like towels, pillowcases, or eye makeup, can also lead to the transmission of conjunctivitis.
- Indirect contact: Conjunctivitis caused by allergies or irritants can be triggered by indirect contact with allergens or chemicals in the environment. For example, exposure to airborne pollen, pet dander, or smoke can cause allergic conjunctivitis. While swimming in chlorinated pools or using certain cosmetics can lead to irritant conjunctivitis.
To reduce the risk of spreading or contracting conjunctivitis, it's essential to practice good hygiene habits, such as frequent hand washing, avoiding touching or rubbing your eyes, and not sharing personal items. If you wear contact lenses, be sure to follow proper lens care and handling guidelines to minimize the risk of infection.
How to Manage and Treat Pink Eye
If you suspect you have conjunctivitis pink eye, the best thing to do is to contact your optometrist to get the correct treatment. The optometrists at Fyidoctors will often see same day appointments. Some steps you can try at home while awaiting an appointment include:
- Applying warm compresses to the affected eye(s) several times a day, using clean towels or washcloths each time. Do not share these towels with anyone as the condition may be contagious. Avoid rubbing your eyes, as this can worsen the irritation and increase the risk of spreading the infection.
- Over-the-counter artificial tears can help alleviate symptoms like dryness and discomfort. Avoid using drops like Visine or ClearEyes which may mask the symptoms, rather reach for a lubricating artificial tear. Your optometrists office will be able to offer specific recommendations of an eyedrop that is best for your situation.
If you experience severe symptoms such as intense eye pain, sensitivity to light, or vision changes, it's crucial to seek medical advice promptly. Your eye doctor can determine the underlying cause of your conjunctivitis and recommend appropriate treatment, which may include prescription eye drops or oral medications for bacterial or severe viral infections.
In some cases, red, watery eyes may be related to an underlying health condition like autoimmune diseases such as rheumatoid arthritis, lupus, etc. If your symptoms persist or recur despite treatment, your optometrist can consult with your healthcare provider to rule out any potential systemic issues.
How to Prevent Pink Eye
Preventing the spread of conjunctivitis pink eye is crucial, especially in settings like schools, daycare centers, and workplaces. One of the most effective ways to reduce the risk of transmission is through proper hygiene practices. Wash your hands frequently with soap and water, particularly before and after touching your eyes or face. Avoid sharing personal items like towels, pillowcases, or eye makeup, as these can easily transfer the infection.
If you wear contact lenses, it's essential to follow proper handling and cleaning procedures to minimize the risk of conjunctivitis. Always wash your hands before inserting or removing your lenses, and disinfect them according to the manufacturer's instructions. Never wear contacts while swimming in a pool, lake or ocean. Replace your lens, solution, and contact lens case regularly. If you develop conjunctivitis pink eye, discontinue contact lens use immediately, consult with your eye care professional who will ensure the infection has cleared before safely resuming contact lens wear.
FAQ
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