A pimple on your eyelid usually isn't acne — it's probably a stye, chalazion, or xanthelasma. A stye is a round, red bump that can be treated with a warm compress to drain the pus. A chalazion ...

Their causes can sometimes overlap. Blepharitis may develop if you have too much bacteria on the eyelid, and bacteria can also cause a stye. A chalazion and blepharitis may develop if your eyelid ...

An eyelid bump is often ... Risk factors for styes include: You may have a chalazion if you have a hard lump under your skin. Chalazia develop when thick oil blocks the oil gland.

Your son's eyelids contain many oil producing glands called Meibomian glands. These can occasionally become plugged and swollen, just like a pimple or spot can develop on the skin. Usually a stye ...

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Styes can crop up on upper or lower eyelids, and while most are on the outer edge, there are styes - called internal hordeolums - that develop on the inner surface of the eyelid, as well.