Medically reviewed by Casey Gallagher, MD Armpit rashes often develop due to allergic reactions, infections, and chronic conditions. Rashes are common under the arms because the skinfold creates a ...

For those of you who are concerned about the red spots, which can pop up practically anywhere on your body, then not to fear, ...

it does cause an itchy rash with hive-like bumps on your belly and stretch marks during your third trimester. It can spread to other parts of your body, including your back, breasts, arms ...