Infected Fordyce Spots?

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As of recently, whenever I have an erection or simply pull my foreskin tight, I notice that the Fordyce spots on the bottom of my foreskin are bigger than all the others. Is this common for most of you guys with a foreskin? It doesn't hurt, but could this be an infection or at all related to an STD?http://img484.imageshack.us/img484/7020/09130712281oj9.jpg

That doesn't look to me like an infection, though one looks a bit irritated. I'm sure it's not an STD or anything to worry about.Fordyce spots are really just a type of sebaceous gland, and sometimes they can enlarge, especially if they get a bit blocked. Do they feel hard at all?

They feel sort of like zits, but they don't hurt at all.I live in Texas and walk around outside all day. Because of this I've gotten in habit of using alot of baby powder. Could this be causing it?

It might be possible that the powder might clog a pore and therefore make the gland swell up, but I don't really know. Clogged pores can happen anyway.