Swollen lips have a range of causes, which vary from normal to potentially dangerous. In this article, we look at what causes swollen lips, how to treat them, and when to see a doctor. Swollen lips? Discover common causes like allergies or injuries and learn when to seek medical care for relief. Swollen lip without a cause? Discover hidden triggers, symptoms, and quick relief tips. Find out why your lip is swollen for no reason and what to do next. Have swollen lips? Read about the causes, from allergies to genetic conditions, and how to treat them. Angioedema is swelling in the tissue under your skin. It’s most common in your lips, eyelids, tongue, genitals, hands and feet. Causes include allergies, medication side effects, vibrations, inherited gene changes and some health conditions. Swollen lips are usually a sign of an allergy, few hours of ingesting a specific food or using make-up. However, it can also be a sign of a lip infection or a result of dried lips. Learn about what can cause swollen lips and what to do, as well as when you should seek medical attention Most swollen lips respond well to simple treatments started at home. Match your approach to the likely cause, whether it’s an allergic reaction, minor injury, or environmental exposure. If you wake up with mildly swollen lips and no other symptoms, pay attention to whether the swelling goes away or continues. If the swelling persists beyond 24 hours, see a doctor. Lip swelling can stem from allergies, infections, or medication. Learn the common causes and which symptoms mean it’s time to seek medical care. In this article, we’ll review how to treat a swollen lip quickly at home and tend to a cut or injury to your lips, as well as when to seek medical attention. Use a cold compress to reduce swelling and pain or take over-the-counter anti-inflammatory medication.