Was I misdiagnosed with viral pink eye?

Pink Eye

I noticed yesterday (2/20/12) that my eye was watering a lot and had some stringy discharge. This morning, my eye was sort of crusty and red, lids were swollen and still had discharge. None of my discharge was yellow or green. More like a clear or white and not a lot of it. I went to the doctor today and was asked a few questions, one of which was if I had a cold recently. I told him yes and that I was just getting over it. He then did something to my eye, turned the lights out and ran a blacklight over it. He then told me I had viral conjunctivitis and prescribed me Erythromycin. Isn't this an antibiotic? Why would he prescribe me an antibiotic when he told me (and the paperwork he gave me) said it was viral pink eye?
I have taken two doses as of now, and my eye is kind of itchy.

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Mark I. Golden Avvo Pro

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Answered February 28, 2012 10:36. Without the specialty magnifiers that ophthalmologists have available, it is very hard to make an accurate diagnosis of the eye. Other possibilities would include a foreign body or an allergic reaction. The problem with erythromycin ointment is that it will blur your vision. I recommend an examination by an ophthalmologist to confirm the diagnosis and then the use of tears and cold compresses will make you feel more comfortable. Unfortunately, we do not have any medication to reduce the length of the infection. The most important thing is to use good handwashing and to not contaminate others.
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William Scott Goldstein Avvo Pro

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Answered February 22, 2012 07:57. It can be tough to tell the difference, but recent cold symptoms are usually a good clue. Usually, viral pink eye involves both eyes, but usually one follows the other by a couple of days. Erythromycin is an antibiotic, and you are right, it wont work against a virus, but most of us still prescribe something to ease symptoms, and make sure that you don't get a bacterial infection on top of the virus.

Sometimes it helps to see an ophthalmologist, since our microscopes let us see things that a primary care doc can't see, even with the blacklight. There are some subtle things that can help differentiate viral from bacterial. In the meantime, use the E'mycin, and wash your hands a LOT!! Don't shake hands with anyone, don't share towels or pillows...try not to spread this around!
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John J Kim Avvo Pro

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Answered February 22, 2012 09:30. You are very observant. Yes, Erythromycin is not a medicine to alleviate viral pink eye. Rather, it is a prophylaxis against bacterial infectioin that can develop in a pink eye. There really isn't a medicine for pink eyes. Just like a common cold, it will resolve on its own in 2 to 3 weeks. We just treat the symptoms with artificial tears and anti-histamine drops for the discomfort and itching.
Without the slit-lamp (microscope) used by the ophthalmologists, it is not possible to diagnose pink eye. I recommend a visit to an ophthalmologist for a proper evaluations.
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