There indeed exist confusion between the hordeolum and chalazion as general public medical usage. But there are also differences. A hordeolum is an infection that causes a tender red lump along the edge of the eyelid, and it is usually caused by a bacterial infection. The symptoms of the hordeolum growth is the swollen and painful, and watery eyelid. It usually takes about 3 days before they break open and drain and usually heal in about a week. While a chalazion forms a firm lump or cyst under the skin of the eyelid and chalazia grows more slowly than hordeolum. If a chalazion becomes larger, it may affect the vision and the inflammation and swelling may spread to the area around eyes. Besides, chalazia often disappear in a few months without cure. If you get chalazia or hordeolum, you can treat them with warm compresses three or four times a day, washing the eyelashes with clean hot water to keep lid hygiene and improves control of seborrheic dermatitis. Usually, as for a secondary infection, you should use some antibiotics if necessary.