What to do if I have eye stye. My doctor told me that I can use neosporin for a treatment. Which neosporin is she talking about?

Eye drops. I would suggest using warm moist compresses and an antibiotic eye drop such as neosporin. Stand at the sink, get a washcloth good and warm and place it right on the affected area. When it cools, re-warm it. Use the heat for 3-5minutes. Follow this with a drop of the antibiotic. Do it four times a day. If it does not resolve the problem you should see an ophthalmologist. Good luck.