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 ...

This bump can also occur inside of the eyelid ... by a pimple-like bump on your upper or lower eyelid. Unlike some forms of pink eye, a stye is not contagious. A stye could either be internal ...

While a stye can develop on either the inner or outer part of the eyelid, it most commonly appears on the outside. Types of Stye: * External Stye: Forms on the outer part of the eyelid and ...

Most chalazia (the plural of chalazion) form on the underside of the upper ... if a sty is not adequately treated, it may become a chalazion. This is because the sty can prevent the eyelid's ...