What causes the corners of the mouth to crack and peel constantly?

What causes the corners of the mouth to crack and peel constantly?

1. Introduction and Direct Answer Constant cracking and peeling at the corners of the mouth are primarily caused by a medical condition known as angular cheilitis. This localized inflammation occurs when saliva accumulates in the folds of the lips, creating a moist environment that promotes fungal or bacterial overgrowth. Contributing factors include nutritional deficiencies, ill-fitting … Read more