Cellulitis is a common bacterial skin infection that can spread rapidly throughout the body. If not treated promptly, it can become serious and, in rare cases, life-threatening. It is usually caused by bacteria entering through a break in the skin, such as a cut, scratch, crack, or even an insect bite. The skin plays a vital mechanical role in the body’s immune defence by acting as a barrier against bacteria. When the integrity of this barrier is compromised, bacteria can ent