| Re: Strange thing on my arm....
Sounds like ringworm... and yes, it is contagious. If it is ringworm, it won't go away with Neosporin, but an antifungal cream and antibiotics. Ringworm is characterized by the circle shape, the raised red bumps, and it itches. It can spread to other parts of your body, so the quicker you get it under control, the better. Look online under "photos of ringworm" to see if it looks like what you have.
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