A hump on the back of the neck, or top of the spine, can have various causes. These causes may include kyphosis, osteoporosis, muscle knots, and cysts. A person may refer to the hump on the back of ...
Boils and carbuncles are skin infections caused by a bacteria called staphylococcus aureus (commonly referred to as staph). They present as painful pus-filled pockets, which form under the skin and ...