List of medical terms

Pills, also called tablets, are small, usually hard lumps of medicine that are meant to be swallowed.

A plague is a widespread outbreak of disease or something else bad, such as a plague of locusts. Plagues cause a lot of death or damage.

A rash is a change in the appearance of your skin. Most rashes make you look like you are covered in little red dots. Some rashes are raised, some are blistery, still others are flakey. There are lots of different kinds of rashes and even more possible causes, so if you have a rash that is very bad or won't go away, see your Doctor.

A scab is a hard layer that forms over an injury, as part of the healing process. After a few days, the scab falls off and eventually a scar will be all that remains of the injury.

A scar is a mark on your skin that shows where it has healed after it was damaged. Scar tissue can also form inside you if you have an internal injury. The man in the picture has a scar from donating a kidney.