A new hyperpigmentation spot on the mouth may be a sign of an allergic reactionTwo-toned lips are common and beautiful on ...

Background: Allergic contact cheilitis may appear after exposure to different substances, including dental materials, toothpastes, cosmetics, foods and medications. Objective: To compare the rate of ...

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.

Actinic cheilitis (AC) is a premalignant condition affecting predominantly the lower lip, resulting from chronic solar radiation exposure. Clinically, it presents as a spectrum of lesions ranging from ...

Upadacitinib, an oral Janus kinase (JAK) 1 inhibitor, showed an 80% complete response rate in patients with granulomatous cheilitis, with no serious adverse events, in a small retrospective case ...