Swollen Lip

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Swelling of the lips can arise due to different conditions. Trauma to the lip and mouth area is an obvious cause of swollen lips. Allergic reactions, either to foods or other substances, can often be accompanied by swelling of the lips. Angioedema is a condition in which there is swelling of the tissue beneath the skin, and this is often concentrated around the eyes and lips. Some infections (such as herpes simplex virus infection) can result in blisters and localized swelling of the lips. Infections and inflammatory conditions of the skin can also lead to inflammation and swollen lips (cheilitis). Less commonly, medical conditions that affect the entire body may cause lip swelling, sometimes in association with fluid retention or swelling in other areas of the body.

Medically Reviewed by a Doctor on 5/2/2014

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REFERENCE:

Fauci, Anthony S., et al. Harrison's Principles of Internal Medicine. 17th ed. United States: McGraw-Hill Professional, 2008.

Causes of Swollen Lip
    • Allergy (Allergies) An allergy refers to a misguided reaction by our immune system in response to bodily contact with certain foreign substances. ...learn more »
    • Bug Bites and Stings Bug bites and stings have been known to transmit insect-borne illnesses such as West Nile virus, Rocky Mountain spotted fever,...learn more »
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    • Cellulitis Cellulitis is an acute spreading bacterial infection below the surface of the skin characterized by redness, warmth,...learn more »
    • Eczema Eczema refers to skin inflammation. There are many different types of eczema that produce symptoms and signs that range from...learn more »
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    • Food Allergy The most common food allergies are to eggs, nuts, milk, peanuts, fish, shellfish, strawberries and tomatoes. Symptoms and signs...learn more »
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      Food Allergy Article
      • Food allergy facts
      • Introduction to food allergies
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    • Myxedema Coma Myxedema coma is the loss of brain function due to severe longstanding low levels of thyroid hormone in the blood. Myxedema coma...learn more »
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    • Sunburn (Sun Poisoning) Sunburn is caused by overexposure to UV radiation from the sun. UV rays can also damage the eyes. Repeated overexposure to UV...learn more »
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      Sunburn (Sun Poisoning) Article
      • Sunburn facts
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Other Causes of Swollen Lip
Examples of Medications for Swollen Lip