In dark skin, cold sores look like small blisters filled with clear liquid. This liquid eventually leaks and causes the sores to crust over. After a while, this crust falls off on its own. People with ...
A skin abrasion is a type of open wound that’s caused by the skin rubbing against a rough surface. It may be called a scrape or a graze. When an abrasion is caused by the skin sliding across hard ...