• May 13, 2026 the kids guide to first aid all about bruises bur dition. Fun Facts About Bruises and Bumps Bruises can change colors as they heal—starting blue or purple, then turning green or yellow. Not all bumps are bad; sometimes bumps are just swelling from a minor injury. Most bruises heal within a week or two without any special treatm By Dr. Marjorie Pouros III
