what are all these bumps on my back and chest?
Itchy Red Bumps on Chest and Back bumps on the back. Bumps are common on any part of the body. They could appear as a result of an allergic reaction, a disease or skin disorder. These may be caused by bacterial, viral or fungal infections. Some of these bumps may be localized on a certain part of the body or spread all over. Itchy red bumps on chest and back are common.