A swollen face is often dismissed as a simple toothache, gum infection, or allergy. However, in some cases, facial swelling is a life-threatening medical emergency that requires immediate treatment. Every year, people around the world develop severe infections that spread rapidly from the teeth into the face, neck, and even the chest. Without prompt treatment, these infections can lead to breathing difficulties, sepsis, organ failure, and death.

A toothache may seem like a minor problem at first, but when it is accompanied by facial swelling, it should never be ignored. Facial swelling caused by a tooth infection is often a sign that bacteria have escaped the infected tooth and are spreading into the surrounding tissues. This condition, known as a dental abscess with facial cellulitis, can become a serious medical emergency if left untreated.