A viral infection causes lip ulcers, and canker sores are a type of mouth ulcer. Learn more about what lip and mouth ulcers look like and how to treat them.

A lip cancer sore can mimic the appearance of a cold sore, which is typically caused by the contagious herpes simplex virus (HSV). Herpes-related cold sores develop on or around the lips and look ...

Cleft lip and palate can be part of genetic conditions such as Stickler syndrome and 22q11.2 deletion syndrome (or DiGeorge syndrome). Children with these conditions may have other facial and body ...

Hand, foot, and mouth disease (HFMD) can cause red spots in the mouth that develop into painful sores. MidgleyDJ at en.wikipedia, CC BY-SA 3.0, via Wikimedia Commons. Image credits: ...

Understanding lip anatomy Our lips contain three distinct layers: the outer epidermis, the middle dermis containing blood vessels and connective tissue, and the inner submucosa.

If your lip swelling is confined to one side of a lip, it’s likely due to an injury to that part of your mouth, or to the presence of a cyst or other growth in that location. If you wake up and ...

And if you find yourself picking at the skin on your lips, you're likely using formulas that aren't hydrating enough; matte lipsticks or harsh chapsticks often cause this and chronic lip licking, too.

Harriet Green was influenced by "Love Island" stars and TikTok influencers to get lip filler, but it went awry. The botched cosmetic procedure left her unable to close her mouth due to hard lumps.