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.

Lips can become swollen if fluid builds up in the skin tissue or if there is underlying inflammation. Causes include allergic reactions, angioedema, and injuries. Swollen lips have a range of causes, ...

Swollen upper lips can develop due to allergic reactions, injuries, or medication side effects. However, they can also stem from an infection, Crohn’s disease, and other underlying causes. This ...

Yesterday afternoon, my lower lip started swelling up on the right side. That was weird enough, since I couldn't think of any cause for it, but then the swelling started to move. By the time we went ...

A woman in the U.K. who was diagnosed with chronic idiopathic urticaria (CIU), or chronic idiopathic hives, said she is terrified that her debilitating symptoms may return at any moment since she ...

A previously healthy, 14-year-old girl is admitted to the hospital after complaints of painful swelling of her lower lip, with periodic spotty, blood-tinged drainage from several discrete areas with ...

A Canadian TikToker recently shared a video of her severely swollen lips, in a warning to others who might have lip filler and are travelling somewhere hot. The TikTok user (@prettygirlbianca2), who ...

TikTok user @SassyJ shared a video of her top lip extremely swollen on Wednesday (April 30). She listed the medicine in the caption and how her bloated lip was “one of the side effects” of Lisinopril.