Conjunctivitis (Pink Eye)

Symptoms, Causes, and Treatment
Mart 28, 2024
What is Conjunctivitis?

What is Conjunctivitis (Pink Eye)?

Conjunctivitis, also known as pink eye, is the inflammation of the tissues that cover the eyelid, known as conjunctiva, due to infection or allergy. It can occur in one eye or both eyes. Allergens, irritants, bacteria, and even viruses such as cold viruses or coronaviruses can cause pink eye. Conjunctivitis is characterized by redness, swelling, and discharge in the eyes. Although conjunctivitis is often perceived as a minor condition, if not diagnosed and treated in a timely manner, it can lead to serious vision impairments. Therefore, it is crucial to determine the cause of conjunctivitis and plan appropriate treatment accordingly.

What Causes Conjunctivitis (Pink Eye)?

The causes of conjunctivitis (pink eye) can include viral infections, bacterial infections, allergies, chemical substances, and foreign bodies.

Types of Conjunctivitis

Bacterial Conjunctivitis: It occurs due to bacterial infections. Bacteria settle in the conjunctiva after coming into contact with the eyes, causing inflammation. Symptoms include discharge, redness, swelling, and a gritty feeling.

Viral Conjunctivitis: It is an infection caused by viruses. It is often associated with colds, flu, or other upper respiratory tract infections. Symptoms include watery eyes, redness, grittiness, and sensitivity to light.

Allergic Conjunctivitis: It occurs due to exposure to allergens such as pollen, dust mites, animal fur. Symptoms include watery eyes, itching, redness, and swelling.

Symptoms of Conjunctivitis

Common symptoms of conjunctivitis, also known as pink eye, include:

How is Conjunctivitis Treated?

The treatment for conjunctivitis depends on the cause:

What is the Recovery Time for Conjunctivitis?

Conjunctivitis can be categorized into acute and chronic types. Acute conjunctivitis usually lasts less than 3 weeks and typically resolves within 7-8 days, especially with treatment, which can reduce the recovery time to an average of 4-5 days. Chronic conjunctivitis, on the other hand, can last longer than 3 weeks and is often associated with chronic conditions like blepharitis or dacryocystitis. Treatment can expedite the healing process.

How to Prevent Conjunctivitis?

Pink Eye in Babies

Pink eye or conjunctivitis in babies can present similar symptoms to those in adults, including redness, swelling, discharge, and discomfort in the eyes. However, the causes and treatment of conjunctivitis in babies may differ from adults. Causes of pink eye in babies can include:

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