A vertical lip piercing, also known as a vertical labret, is done by inserting jewelry through the middle of your lower lip. Although it is a popular practice, a vertical lip piercing can come with ...

Blisters on the lip can be due to cold sores, sunburn blisters, canker sores, and more. Treatment can depend on the underlying cause. There are many reasons why lip blisters develop, including ...

Allergic contact cheilitis (ACC) is allergic contact dermatitis (ACD) affecting lips. It causes swelling, inflammation, and possibly scaly skin. The term “cheilitis” refers to short- or long-term ...

Swollen lips may be caused by allergic reactions, injuries, chapping or sunburn, infections, and cysts called mucoceles. The swelling comes from either inflammation or built-up fluid under the skin.