Medically reviewed by William Truswell, MD Common types of skin rashes include dermatitis, allergies, insect bites, infections, or health conditions. Examples include eczema, chickenpox, psoriasis, ...

While you might have a hard time not scratching itchy bumps, doing so can cause scarring. What's more, if you scratch the bumps and then touch the skin elsewhere on your body, you may end up ...