Medically reviewed by Casey Gallagher, MD Key Takeaways Armpit rashes can be caused by allergic reactions to deodorants or shaving creams.If products like deodorant cause a rash, you might be allergic ...

Finding a bump under your armpit can be uncomfortable and disturbing. But you don’t need to panic as most armpit bumps are harmless and easily treatable. These bumps can appear for various reasons, ...