Skin Rash A skin rash develops when the skin turns red, irritated, and bumpy. Some skin rashes are painful and dry. Some are excruciatingly uncomfortable. A skin-rash can be caused by a variety of factors, including viruses, bacteria, allergies, and skin diseases such as eczema. What is the frequency of skin rashes? Almost everyone develops … Continue reading What are the most common causes of skin rashes?