Ophthalmologist Questions Ophthalmologist

What is the main cause of conjunctivitis?

I am a 24 year old male and I have conjunctivitis. What is the main cause of conjunctivitis?

7 Answers

Adenovirus
There are many possible causes. The primary ones are viral, bacterial, allergic, and toxic.
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Conjunctivitis is commonly caused by infections (viral or bacterial), allergies, and dry eyes.
Conjunctivitis is just a broad term for inflammation of the conjunctiva. The inflammation can be caused by a virus, bacteria, allergy, trauma, fungus, etc. There are many causes but only way to know how to treat the conjunctivitis is to see an optometrist or OMD for diagnosis.
Bacteria
Bacterial or viral
Infective agents and non infective agents.