Ask an Eye M.D. Answer Archive
I have pink eye and the doctor gave me erythromycin ointment which I’ve been using for 3 days, but it is still red. How long does it take before it starts clearing up?
There are many causes of acute and chronic conjunctivitis. This question would have very different answers depending on the cause of your "pink eye." If your pink eye is caused by a common bacteria, your signs and symptoms should be self-limited and disappear within 7-10 days. If your condition is caused by a virus and your ophthalmologist is treating any bacterial agent that might be accompanying the viral conjunctivitis, it might take a few weeks to resolve. But, this question is best asked of your ophthalmologist. He/she will understand your disease and be able to answer your questions much better. Your question has too little information for me to give you an accurate answer.
Answered by: Ivan Schwab, MD
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