Swelling in the lips or tongue. Trouble breathing ... These bites look like raised red bumps. Mosquitoes leave itchy bumps on the skin that may swell and become red. These reactions typically ...

A pimple is a small, swollen bump. It may have a whitish top ... Atopic dermatitis can cause small, itchy bumps to form on the hands, face, and other areas of the skin. These itchy bumps can ...