A contusion is a painful injury with swelling and discoloration, but without broken skin.
contusion and swelling
A wheal is a small itchy swelling.
Macule is a medical term meaning discoloration of the skin that can't be palpated. A common example is a freckle.
The medical terminology combining form meaning causing death is "thanato-."
Swelling or edema of the arm is an indication of inflammation or disturbances of blood or lymph flow causing a swollen appearance of the hand, forearm or fingers.
Edema
Edema is the swelling of a large organs. This is medical term.
pedal edema
The medical term for any swelling is called a lump
Cyanotic is a medical term meaning blue discoloration due to low oxygen levels in the tissues.
arthritis is a medical condition affecting a joint or joints, causing pain, swelling, and stiffness
Bunion
Abscess