Is it normal for your eye to become dry after conjunctivitis?

Conjunctivitis is the inflammation of the mucus membrane lining (conjunctiva) of the eye. There can be many causes of conjunctivitis but usually it is a viral or bacterial infection. Because the conjunctiva is very important in the production of the tear film, any injury, even temporary like an infection, can impair the production of tears. Hence conjunctivitis can reduce tear production and cause dry eye. Fortunately this does not usually happen because there are a lot more cells that produce tears than needed so that most patients can have a number of bouts of conjunctivas without a resulting chronic dry eye.
Chronic inflammatory diseases such as rheumatoid arthritis, Lupus or graft versus host disease cause a chronic, persistent conjunctivitis, which is more likely to cause a chronic dry eye.