Woman in exam room

In some cases, additional diagnostic tests can be helpful in diagnosing pink eye. Your Eye M.D. may collect a sample (culture) for analysis. To do this, he or she will numb your eye and swab the surface to collect a sample. The analysis of this culture will help determine if the infection is caused by a bacteria or a virus, which will guide appropriate treatment. Most often no culture is taken and the diagnosis is made in the office.

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Reviewed by Dr. Elena Jiménez on Feb. 1, 2014

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