Bacterial conjunctivitis, often referred to as pink eye, occurs when bacteria infect the conjunctiva, leading to redness, swelling, and discharge from the eye. This highly contagious condition can affect individuals of all ages and typically requires medical treatment to clear the infection.

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Bacterial Conjunctivitis FAQ


What causes bacterial conjunctivitis?

Bacterial conjunctivitis is caused by bacteria infecting the conjunctiva, often spreading through direct contact or contaminated surfaces.

How can I tell if I have bacterial conjunctivitis?

Common signs include redness of the eye, yellow or green discharge, and crusting, especially upon waking.

Is bacterial conjunctivitis contagious?

Yes, it is highly contagious and can easily spread from person to person.

How is bacterial conjunctivitis treated?

It is usually treated with antibiotic eye drops or ointments prescribed by a healthcare professional.

Can bacterial conjunctivitis go away on its own?

While mild cases may resolve without treatment, medical intervention is recommended to prevent complications and speed recovery.

How long does bacterial conjunctivitis last?

With proper treatment, symptoms typically improve within a few days, but it can persist longer if left untreated.

Can bacterial conjunctivitis affect both eyes?

Yes, it can start in one eye and then easily spread to the other eye.

Are there home remedies for bacterial conjunctivitis?

While some people may find relief with warm compresses, medical treatment is essential to eradicate the infection.

What should I avoid if I have bacterial conjunctivitis?

It's best to avoid touching your eyes, sharing towels, and close contact with others.

When should I see a doctor for conjunctivitis?

If symptoms worsen, do not improve with home care, or if you experience pain or vision changes, consult a doctor immediately.

Are there any preventive measures for bacterial conjunctivitis?

Maintaining good hygiene, such as frequent handwashing and avoiding touching your eyes, can help prevent infection.

Can allergies cause similar symptoms to bacterial conjunctivitis?

Yes, allergic conjunctivitis can cause redness and tearing, but it usually does not have the same type of discharge.

Is bacterial conjunctivitis common during certain seasons?

It can occur at any time but may be more prevalent in warm months when people congregate in public spaces.

Do I need to stop wearing contact lenses if I have bacterial conjunctivitis?

Yes, it's recommended to avoid contact lenses until you have fully recovered.

Can untreated bacterial conjunctivitis lead to complications?

Yes, it can potentially lead to more serious conditions if not treated, including corneal ulcers.

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Information provided by Dr. Nithya Priya Raju. Reviewed by Dr. Mohamed El Khouly