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. Allergic reactions, either to foods or other substances, can often be accompanied by swelling of the 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.

Patients may experience the related symptoms of Swollen Tongue, Tongue Numbness, and/or Mouth Sores.

Medically Reviewed by a Doctor on 8/6/2009

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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 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 »
    • Cold Sores (Nongenital Herpes Simplex Infections) Herpes simplex infections are common and when they appear around the mouth and lips, people often refer to them as "cold sores"...learn more »
      In This Article
      Cold Sores (Nongenital Herpes Simplex Infections) Article
      • Herpes simplex infections (nongenital cold sores) facts
      • What are herpes simplex infections?
      • What causes cold sores?
      • What makes herpes (cold sores) recur?
      • How do cold sores spread?
      • What are the signs and symptoms of cold sores?
      • What is primary oral herpes?
      • What does recurrent herpes look like?
      • How long do cold sores last?
      • What are the risk factors for herpes simplex infections?
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      • What is the prognosis for oral herpes (cold sores)?
      • What other conditions can look like oral herpes (cold sores)?
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      • What are canker sores?
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      • What is the treatment for cold sores, are there any home remedies, and what medications are used?
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    • 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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      Eczema Article
      • Eczema facts
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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 »
      In This Article
      Food Allergy Article
      • Food allergy facts
      • Introduction to food allergies
      • How do allergic reactions to food occur?
      • What are the symptoms and signs of food allergy?
      • Do infants and children have problems with food allergy?
      • What are the most common food allergies?
      • What is cross-reactivity?
      • What is oral allergy syndrome?
      • What is exercise-induced food allergy?
      • What conditions have mistakenly been attributed to food allergy?
      • What conditions mimic food allergy?
      • How is food allergy diagnosed?
      • What is the treatment for a food allergy?
      • Are allergy shots effective for food allergy?
    • 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 »
      In This Article
      Sunburn (Sun Poisoning) Article
      • Sunburn facts
      • What is sunburn?
      • Can sunburn cause permanent damage?
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      • What are the symptoms of sunburn?
      • What are the symptoms of severe sunburn (sun poisoning)?
      • Sunburn pictures
      • What first-aid measures should be taken with sunburn?
      • What is the treatment for sunburn?
      • Are there any home remedies to treat sunburn?
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      • Who is most susceptible to sunburn?
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Other Causes of Swollen Lip
Examples of Medications for Swollen Lip



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