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 ...

Swollen upper lip vs. swollen bottom lip If the cause of your swollen lip is an injury, such as a blow to the mouth or a bad cut, the lip that absorbed most of the trauma will be the most swollen.

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.

A swollen lip on one side can occur due to a variety of reasons. Learn more about when to see a doctor, the causes, and their treatment options here.

She has a very swollen upper lip, but she's not afraid to show it. The model filmed and shared a video to Instagram stories and also to Twitter from the dentist chair.

Following a lip flip, you’ll be able to resume most daily activities, though your upper lip may feel slightly numb and look swollen. Here are some post-procedure tips: ...