The skin, as the largest organ in the body, protects the body from infections. However, it also comes under attack at times. A wide variety of germs cause skin infections that can range from uncomfortable to life-threatening. Skin infections are usually caused by bacteria, viruses, fungi, and parasites.  The majority of these infections are common skin infections that can be easily treated at home using over-the-counter medication. The problem is that very few people know how to treat common skin infections. This article will look at some common skin infections