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Conjunctivitis: Understanding the "Pink Eye" Phenomenon

Conjunctivitis, commonly known as "pink eye," is an inflammation of the conjunctiva – the thin, transparent layer covering the white part of the eye and lining the inner surface of the eyelids. This condition can be caused by various factors, including infections, allergens, and irritants.


Viral Conjunctivitis:

  • Often associated with upper respiratory infections, common cold viruses can cause viral conjunctivitis. Highly contagious, it can spread through respiratory droplets or by touching contaminated surfaces.

Bacterial Conjunctivitis:

  • Caused by bacteria, typically Streptococcus or Staphylococcus species, bacterial conjunctivitis can result in a yellow or green discharge. It is also contagious and can spread through direct contact.

Allergic Conjunctivitis:

  • Exposure to allergens such as pollen, dust, pet dander, or certain chemicals can trigger allergic conjunctivitis. It is not contagious and often occurs seasonally.

Irritant Conjunctivitis:

  • Irritants like smoke, chlorine in swimming pools, or exposure to harsh chemicals can cause irritation and inflammation of the conjunctiva.


  • Redness

  • Itchiness

  • Tearing

  • Discharge (watery, thick, or yellow/green in bacterial conjunctivitis)

  • Sensation of grittiness or foreign body in the eye


Viral Conjunctivitis:

  • Since viral infections do not respond to antibiotics, treatment focuses on relieving symptoms. Cold compresses and artificial tears can help soothe discomfort.

Bacterial Conjunctivitis:

  • Antibiotic eye drops or ointments are commonly prescribed to treat bacterial conjunctivitis. It's essential to complete the full course of antibiotics as prescribed.

Allergic Conjunctivitis:

  • Antihistamine eye drops or oral antihistamines can be effective in managing allergic conjunctivitis. Avoiding allergens and using cool compresses may also provide relief.

Irritant Conjunctivitis:

  • Removing the irritant and rinsing the eyes with clean water can help alleviate symptoms. Artificial tears may be recommended for additional relief.

General Care:

  • Cold Compresses: Applying a cold compress can reduce inflammation and soothe discomfort.

  • Hygiene Practices: Avoid touching or rubbing the eyes, and practice good hand hygiene to prevent the spread of infection.

  • Temporary Contact Lens Discontinuation: Those who wear contact lenses should switch to glasses temporarily to avoid further irritation.

When to Seek Medical Attention:

  • Severe Symptoms: If symptoms are severe or worsening despite home care.

  • Vision Changes: If there are changes in vision.

  • Pain: If there is significant eye pain.

  • Pus or Discharge: If there is a thick or yellow/green discharge.

Conjunctivitis is generally a self-limiting condition, but prompt and appropriate treatment can alleviate symptoms and prevent complications. Consultation with an eye care professional is crucial for accurate diagnosis and management tailored to the specific cause of conjunctivitis.

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