Conjunctivitis, commonly known as pink eye, is an inflammation of the transparent layer that covers the white part of the eye and lines the inner surface of the eyelid. It can be caused by infections, allergies, or irritants and may result in redness, itchiness, tearing, and discharge.

Conjunctivitis FAQ


What causes conjunctivitis?

Conjunctivitis can be caused by viruses, bacteria, allergens, or irritants such as smoke and dust.

Is conjunctivitis contagious?

Yes, it can be highly contagious, particularly in cases caused by bacteria and viruses.

How is conjunctivitis treated?

Treatment may include medications like eye drops or ointments, and in some cases, cold compresses or antihistamines.

Is it necessary to see a doctor for conjunctivitis?

It is advisable to seek medical advice, especially if symptoms are severe, last longer than a week, or are accompanied by vision changes or eye pain.

Can you wear contact lenses with conjunctivitis?

It is best to avoid wearing contact lenses until the symptoms have cleared to prevent further irritation.

Can conjunctivitis affect both eyes?

Yes, conjunctivitis can affect one or both eyes, depending on the cause and how it spreads.

How long does conjunctivitis last?

The duration of conjunctivitis can vary depending on the cause, but most cases improve within a couple of weeks.

Is there a difference between viral and bacterial conjunctivitis?

Yes, viral conjunctivitis often involves watery discharge and may be associated with cold symptoms, while bacterial conjunctivitis typically produces a thicker discharge and may cause crusting around the eyelids.

Can allergies cause conjunctivitis?

Yes, allergies can trigger conjunctivitis, commonly referred to as allergic conjunctivitis, leading to redness, itching, and watery discharge.

Are there home remedies for conjunctivitis?

Applying a warm or cold compress, maintaining good eye hygiene, and avoiding irritants can help manage symptoms at home. However, medical advice is recommended for proper treatment.

Does conjunctivitis require antibiotics?

Antibiotics may be prescribed for bacterial conjunctivitis, while viral and allergic conjunctivitis may not require antibiotic treatment.

Can conjunctivitis cause vision problems?

In some cases, conjunctivitis may lead to blurred vision, particularly if accompanied by other eye complications. Seeking medical attention is crucial if vision changes occur.

Is there a way to prevent conjunctivitis?

Practicing good hygiene, such as regular handwashing, avoiding sharing personal items, and managing allergies, can help reduce the risk of conjunctivitis.

Can newborns get conjunctivitis?

Newborns are susceptible to neonatal conjunctivitis, often caused by bacteria acquired during childbirth. It is important to seek prompt medical care for newborns showing signs of conjunctivitis.

Are there specific precautions to take when caring for someone with conjunctivitis?

Avoiding direct contact with the person's eye secretions, such as tears or discharge, and practicing good hand hygiene can help prevent the spread of conjunctivitis.

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Information provided by Maryam Abdullahi-Mahdi. Reviewed by Mr. Matthew Liew