Boils are painful, pus-filled, and are caused by infections like Staphylococcus aureus. Cysts are painless, non-infectious growths filled with keratin or other substances. Antibiotics may treat boils ...

It’s easy to panic when you notice a lump on your skin. You may wonder if it’s melanoma or another type of skin cancer. But sebaceous cysts — slow-growing bumps under the skin that can appear on the ...

There are acne cysts, arachnoid cysts, Baker’s cysts (or popliteal cyst), Bartholin’s cysts, breast cysts, chalazion cysts, colloid cysts, dentigerous cysts, dermoid cysts, epididymal cysts, ganglion ...