your lip. “A pimple is formed from a clogged pore resulting in inflammation,” explains Dr. Chris Tomassian. Cold sores, often ...

Furunculosis is also usually safe, but “Rarely, the infection in the skin can get into the bloodstream, leading to serious illness” ― and given how close that triangle of death is to the brain, you’re ...

swollen, red, and cracked areas,” says Ahuva Cices, MD, board-certified dermatologist. But as Dr. Mraz laid out, cracked lip corners aren’t always angular cheilitis—but they’re a key symptom.